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

You are not logged in.

## #6351 2019-04-25 00:22:55

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

Very good attempt, Monox D. I-Fly!

#4450. The ratio of the present ages of Smith and Tony is 4 : 5. Six years hence, the ratio of their ages will be 6 : 7. What is the difference of their ages?

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.

Online

## #6352 2019-04-25 15:50:37

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

#4451. 75% of a number is equal to three seventh of another number. What is the ratio of the first number and the second 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.

Online

## #6353 2019-04-26 00:41:45

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4452. A sum of money is divided among A, B, C, and D in the ratio 3 : 5 : 9 : 13 respectively. If the share of C is \$2412 more than the shared of A, what is the total amount B and D together have?

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.

Online

## #6354 2019-04-26 14:36:31

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,929

### Re: Oral puzzles

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

## #6355 2019-04-26 16:06:42

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

The Solution #4452 is correct. Excellent,  Monox D. I-Fly!

#4453. At present, Karl is twice Samuel's age. Eight years hence, the respective ratio of Karl's and Samuel's ages then will be 22 : 13. What is Karl's present age?

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.

Online

## #6356 2019-04-27 15:11:38

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

#4454. 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.

Online

## #6357 2019-04-28 00:52:35

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4455. 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.

Online

## #6358 2019-04-28 15:48:21

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4456. 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.

Online

## #6359 2019-04-28 20:28:28

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,929

### Re: Oral puzzles

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

## #6360 2019-04-28 21:21:32

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

Very good attempt, Monox D. I-Fly! The answer is very close to the value you have arrived at!

#4457. Find the value of z.

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.

Online

## #6361 2019-04-29 14:40:05

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,929

### Re: Oral puzzles

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

## #6362 2019-04-29 15:45:30

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

The solution #4457 is correct. Excellent, Monox D. I-Fly!

#4458. Nancy invests Rupees 89856, which is 26% of her annual income, in mutual funds. What is her monthly income?

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.

Online

## #6363 2019-05-01 00:16:16

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4459. A merchant bought some goods worth \$6000 and sold half of them at 12% profit. At what profit percent should he sell the remaining goods to make an overall profit of 18%?

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.

Online

## #6364 2019-05-02 16:03:49

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

#4460. The total number of boys in a school is 15% more than the total number of girls in the school. What is the ratio of the total number of boys and total number of girls in the school?

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.

Online

## #6365 2019-05-03 00:53:20

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4461. Find the average of first 20 multiples of 7.

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.

Online

## #6366 2019-05-04 00:52:16

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4462. The average of four consecutive numbers A, B, C, and D respectively is 56.5. What is the product of A and C?

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.

Online

## #6367 2019-05-05 14:38:51

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4463. The average weight of 15 girls was recorded as 54 kilograms. If the weight of the teacher was added, the average increased by 2 kilograms. What was the teacher's weight?

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.

Online

## #6368 2019-05-06 00:34:50

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

#4464. The average of five numbers is 61. The average of first and third is 69 and the average of second and fourth is 69, what is the fifth 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.

Online

## #6369 2019-05-07 15:38:52

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4465. The average of five positive numbers is 308. The average of the first two numbers is 482.5 and the average oflast two numbers is 258.5. What is the third 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.

Online

## #6370 2019-05-09 00:35:30

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4466. 80% of a number is equal to three-fifth of another number. What is the ratio of the first and second number respectively?

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.

Online

## #6371 2019-05-10 02:08:32

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

4467. Four seventh of a number is equal to 40% of another number. What is the ratio the first number and second number respectively?

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.

Online

## #6372 2019-05-11 01:01:46

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4468. 52% students from a college participated in a survey. What is the respective ratio of the number of students who did not participate in the survey and who participated?

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.

Online

## #6373 2019-05-12 00:26:27

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

#4469. The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 152. What is the number of frogs in the pond?

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.

Online

## #6374 2019-05-13 00:33:49

ganesh
Registered: 2005-06-28
Posts: 29,206

### Re: Oral puzzles

Hi,

.

#4470. The ratio of the ages of two boys is 5 : 6. After two years, the ratio will be 7 : 8. Find the ratio of their ages after 12 years.

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.

Online

## #6375 2019-05-13 19:00:47

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,929

### Re: Oral puzzles

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