Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi anonimnystefy,

The answers #34, #35, and #36 are correct. Excellent!

37. Given r = 7 cm and l = 10 cm, the curved surface area of the cone is __________________

(a)

(b)

(c)

(d)

38. The Greatest Common Divisor of

is _________________(a)

(b)

(c)

(d)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi anonimnystefy and bobbym,

The answers 37 and 38 are a and b respectively.

Good work, anonimnystefy!

Well done, bobbym!

39. The remainder when x[sup]3[/sup] + x[sup]2[/sup] - 3x + 5 is divided by (x - 1) is ___________________

(a) 8

(b) 4

(c) -8

(d) -4

40. A point on 3x + 2y ≤ 10 is ___________________

(a) (1,1)

(b) (2,3)

(c) (3,2)

(d) (4,0)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym and anonimnystefy,

The answers 39 and 40 are correct. Well done!

41. The point of intersection of the lines x + 2y = 3 and y = 0 is

(a) (3,0)

(b) (3,1)

(c) (0,3)

(d) (0,0)

42. Given

, = _________________(a) 3/4

(b) 3

(c) 4

(d) 4/3

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

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

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi anonimnystefy and bobbym,

The answers #41 and #42 are correct. Good work!

43. Slope of the line 2y = 3x + 5 is

(a) 2/3

(b) 3/2

(c) -2/3

(d) -3/2

44. The probability of an impossible event is _________________

(a) 0

(b) 1

(c) 2

(d) not defined

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym and anonimnystefy,

The answers 43 and 44 are correct. Well done!

45. The radius of a circle is 5 cm and length of chord is 8 cm. The perpendicular distance of the chord from the center is _________.

(a) 3 cm

(b)

(c) cm

(d) None of these

46. In a cyclic quadrilateral ABCD, if angle A = 80[sup]o[/sup], then angle C = _______________

(a) 80°

(b) 100°

(c) 40°

(d) 160°

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym,

The answers 45 and 46 are correct. Well done!

47.

= ______________(a)

(b)

(c)

(d)

48. The variance of 5 values is 9 when each number is doubled. The new variance is _________________

(a) 9

(b) 18

(c) 45

(d) 36

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym and anonimnystefy,

The answers are

and .Excellent, bobbym! Both correct!

The answer 47 is correct.

Well done, anonimnystefy!49. In a Geometric Progression, given a = 1 and r = 2, t[sub]5[/sub] = ________________

(a) 16

(b) 32

(c) 10

(d) 2

50. The total surface area of a sphere of radius 10 cm is ______________

(a)

(b) cm[sup]2[/sup]

(c) 400 cm[sup]2[/sup]

(d) 200 cm[sup]2[/sup]

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym and anonimnystefy,

The answers 49 and 50 are correct. Good work!

51. The Least Common Multiple of 15a[sup]6[/sup], 75a[sup]5[/sup] is ______________________

(a) 15a[sup]6[/sup]

(b) 75a[sup]5[/sup]

(c) 75a[sup]6[/sup]

(d) None of these

52. The maximum value of the function Z = 4x + 7y is at ___________________

(a) (0,1)

(b) (2,3)

(c) (3,0)

{d) (1,3)

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,037

Hi ganesh

*Last edited by anonimnystefy (2012-07-03 06:18:37)*

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 23,045

Hi bobbym and anonimnystefy,

The answers 51 and 52 are correct. Well done!

53. The point of intersection of the line 2x + 5y = 10 with the y-axis is ____________________

(a) (0,0)

(b) (5,0)

(c) (0,2)

(d) (1,2)

54. The equation of a line parallel to y-axis is _______________

(a) x = 0

(b) y = 0

(c) x = c

(d) y = c

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

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline