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

You are not logged in.

#7676 2017-12-07 14:08:47

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6286 (two parts) is correct. Neat work, Monox D. I-Fly!

#6287. The Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of two numbers are 180 and 6 respectively. If one of the numbers is 30, find the other number.

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

#7677 2017-12-07 14:56:58

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

Re: 10 second questions

Last edited by Monox D. I-Fly (2017-12-07 14:57:52)

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.

Offline

#7678 2017-12-07 15:24:32

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

Good attempt, Monox D. I-Fly!

#6288. Find the least number that is divisible by all the numbers between 1 and 10, both inclusive.

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

#7679 2017-12-09 00:37:09

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6289. Find the largest number which divides 615 and 963 leaving reminder of 6 in each case.

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

#7680 2017-12-10 15:54:54

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6290. Find the Greatest Common Divisor of 95 and 152.

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

#7681 2017-12-10 17:38:10

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7682 2017-12-10 18:20:46

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6290 is correct. Neat work, Monox D. I-Fly!

#6291. Express this number as a rational number:

.

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

#7683 2017-12-11 14:53:53

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6292. If the Greatest Common Divisor of two numbers 26 and 169 is 13, find the Least Common Multiple of the two numbers.

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

#7684 2017-12-11 14:54:54

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7685 2017-12-11 15:14:20

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6292 is correct. Brilliant, Monox D. I-Fly!

#6293. A fraction becomes 1/3 if 1 is subtracted from both its numerator and denominator. If 1 is added to both the numerator and denominator, it becomes 1/2. Find the fraction.

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

#7686 2017-12-11 19:52:16

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7687 2017-12-11 22:40:07

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6293 is correct. Excellent, Monox D. I-Fly!

#6294. If we add 1 to the numerator and subtract 1 from the denominator, a fraction becomes 1. It also becomes 1/2 if we only add 1 to the denominator. What is the fraction?

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

#7688 2017-12-12 13:37:56

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7689 2017-12-12 14:56:42

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6294 is correct. Neat work, Monox D. I-Fly!

#6295. Seven times a two-digit number is equal to four times the number obtained by reversing the digits. If the difference between the digits is 3, find the number.

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

#7690 2017-12-12 17:57:59

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7691 2017-12-12 18:39:56

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6295 is correct. Splendid, Monox D. I-Fly!

#6296. Find the value of

.

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

#7692 2017-12-12 20:14:19

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7693 2017-12-12 22:52:15

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6296 is correct. Neat Work, Monox D. I-Fly!

#6297. Evaluate:

(i)

(ii)

.

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

#7694 2017-12-13 14:59:52

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7695 2017-12-13 15:29:11

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

The solution #6297 (two parts) is correct. Marvelous, Monox D. I-Fly!

#6298. Evaluate:

.

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

#7696 2017-12-13 16:13:18

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,295

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.

Offline

#7697 2017-12-13 18:35:00

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

Good attempt, Monox D. I-Fly!

#6299. If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm. Find its area.

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

#7698 2017-12-14 14:24:04

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6300. If the radius of a circle is diminished by 10%, then its area is diminished by how much percent?

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

#7699 2017-12-15 20:56:48

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6301. Obtain all zeroes of

, if one of its zeroes is -2.

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

#7700 2017-12-17 00:08:46

ganesh
Registered: 2005-06-28
Posts: 26,401

Re: 10 second questions

Hi,

#6302. Find the value of k if the sum of the zeroes of the polynomial

is 6.

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