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****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4678. The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, find the number of terms in the Arithmetic Progression.

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

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

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

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

The solution #4678 is correct. Neat work!

#4679. A cylindrical vessel of diameter 12 centimeters is partly filled with water. A spherical bass is dropped in it and the water level raises by 1 centimeter. Find the diameter of the ball.

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

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4680. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio A : B.

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

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

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

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

Excellent, Solution #4680 is correct!

#4681. Find the value of

if.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4682. What is the fourth root of 24010000?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

4683. In Combinations and Permutations, find the value of

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

Offline

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

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

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

Neat work!

#4684. In how many different ways can the letters of the word MINDWORKZZ be arranged in such a way that the vowels always come together?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4685. For which of the following value of x, the value of

is 32760?a) 3

b) 5

c) 4

d) 2

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4686. Find the value of n is

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4687. In how many ways can the letters of the word READER be arranged?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4688. How many four-letter words with or without meaning, can be formed out of the letters of the word, FARSIGHTED, if repetition of letters is not allowed?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4689. In how many ways can 5 prizes be given away to 4 boys, if each boy is eligible for all the prizes?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4690. In how many ways can a group of 4 men and 3 women be made out of a total of 8 men and 4 women?

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

Offline

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

May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

Neat work! The solution #4690 is perfect!

#4691. Out of 6 consonants and 3 vowels, how many words of 3 consonants and 2 vowels can be formed?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4692. There are 6 non-collinear points. How many triangles can be drawn by joining these points?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4693. How many three-digit numbers can be formed using the digits 0, 1, 2, 5, 8, and 9 (repetition of digits not allowed)?

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

Offline

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

May his adventurous soul rest in peace at heaven.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

Good attempt!

#4694. How many three-digit numbers can be formed using the digits 0, 1, 2, 5, 8, and 9 (repetition of digits is allowed)?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4695. Kate draws a polygon of n sides. The polygon has 44 diagonals. Find the value of n.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4696. How many 3-digit numbers divisible by 5, can be formed from the digits 1, 2, 3, 4, 5, and 9 (none of the digits is repeated)?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 30,559

Hi,

#4697. From a group of 6 men and 5 women, four persons are to be selected to form a committee so that at least 2 men are in the committee. In how many ways can it be done?

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

Offline