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#7926 2018-05-27 00:12:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6537. The perimeter of a rhombus is 40 meters and its height is 5 meters. Find its area.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7927 2018-05-27 15:11:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6538. The area of a rhombus is 150 square centimeters. The length of one of its diagonals is 10 centimeters. Find the length of the other diagonal.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7928 2018-05-27 22:10:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6539. If the lengths of two parallel sides of a trapezium are 12 centimeters and 22 centimeters and the distance between these two parallel sides is 15 centimeters, find the area of the trapezium.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7929 2018-05-28 14:31:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6540. The area of a rectangular field is 4500 square meters. If its length and the breadth are in the ratio 9:5, then find its perimeter.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7930 2018-05-28 23:03:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

.

#6541. One side of the parallelogram is 8.06 centimeters and its perpendicular distance from the opposite side is 2.08 centimeters. What is the approximate area of the parallelogram?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7931 2018-05-29 14:58:51

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6542. The perimeter of a rectangle  is 82 centimeters and its area is 400 square meters. What is the breadth of the rectangle?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7932 2018-05-30 00:11:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6543. If a lawn 30 meters long and 16 meters wide is surrounded by a path 2 meters wide, what is the area of the path?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7933 2018-05-30 14:55:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6544. A rectangular area of 6 square meters is to be painted on a 3 meter x 4 meter board leaving a border of uniform width on all sides. What shound be the width of the border?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7934 2018-05-31 00:38:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6545. The diagonal of a square is

centimeters. Find the diagonal of another square whose area is double that of the first square.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7935 2018-05-31 14:11:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6546. In measuring the sides of a rectangle, there is an excess of 5% on one side and 2% deficit on the other. Find the error percent in the area.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7936 2018-05-31 23:09:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

.

#6547. Find the perimeter of a regular octagon whose sides are (3x - 4) centimeters and (12 - x) centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7937 2018-06-01 14:18:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6548. Find the area of a regular hexagon, whose each side is 6 centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7938 2018-06-01 19:13:35

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: 10 second questions


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#7939 2018-06-01 20:15:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

The solution #6548 is correct. Brilliant, Monox D. I-Fly!

#6549. The area of a circle is increased by 22 square centimeters, its radius is increased by 1 centimeter. Find the original radius of the circle in centimeters.
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7940 2018-06-02 14:15:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6550. A path of uniform width surrounds a circular park. The difference of the internal and external circumference of this circular path is 132 meters. Find its width.
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7941 2018-06-02 21:15:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6551. If the radius of a circle is decreased by 10%, the area of the circle is decreased by _____________ percent.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7942 2018-06-03 14:06:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6552. Find the perimeter (circumference) of a sector of a circle of radius 21 centimeters and central angle 30 degrees.
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7943 2018-06-03 22:08:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6553. What is the area of a semicircle of radius 28 centimeters?
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7944 2018-06-04 14:40:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6554. Find the area of the ring between two concentric circles, whose circumferences are 88 centimeters and 132 centimeters.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7945 2018-06-04 21:56:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6555. The area of a circular garden is 2464 square meters. How much distance will have to be covered if you cross the garden along its diameter?
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7946 2018-06-05 13:54:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6556. A 7 meter road runs outside around a circular park, whose circumference is 176 meters. Find the area of the road.
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7947 2018-06-05 23:13:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6557. The breadth of a rectangular hall is three-fourth of its length. If the area of the hall is 768 square meters, then find the difference between the length and the breath of the hall.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7948 2018-06-06 12:38:28

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: 10 second questions


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#7949 2018-06-06 14:19:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

The

is correct. Excellent, Monox D. I-Fly!

#6558. The length of a rectangular garden is 12 meters and its breadth is 5 meters. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7950 2018-06-07 00:05:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi,

#6559. A copper wire of diameter 42 centimeters is folded in the shape of a rectangle whose sides are in the ratio 6:5. Find the area enclosed by the rectangle.
Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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