10 second questions

Jai Ganesh · 2012-01-11 01:28:59

Hi bobbym,

The solution #3519 is correct. Good work!

The solution #3520

.

#3521.

bobbym · 2012-01-11 01:37:54

Hi ganesh;

Jai Ganesh · 2012-01-11 22:21:36

Hi bobbym,

The solution #3521 is correct. Brilliant work!

#3522. How much more alcohol has to be added to 400 ml of a solution containing 15% of alcohol to change the concentration of alcohol in the mixture to 32%?

#3523. What sum of money would become $1352 in 2 years at 4 percent per annum compound interest?

bobbym · 2012-01-11 23:43:57

Hi;

Jai Ganesh · 2012-01-12 01:32:23

Hi bobbym,

The solutions #3522 and #3523 are correct. Immaculate!

#3524. Out of 10 teachers of a school, one teacher retires and in his place, a new teacher of age 25 years joins. As a result, the average age of teachers reduces by 3 years. What is the age of the retired teacher?

bobbym · 2012-01-12 01:39:29

Hi;

Jai Ganesh · 2012-01-13 03:16:32

Hi bobbym,

The solution #3524 is correct. Good work!

#3525. My grandfather was 8 times older than me 16 years ago. He would be 3 times of my age, 8 years from now. Eight years ago, what was the ratio of my age to that of my grandfather?

bobbym · 2012-01-13 03:53:35

Hi;

Jai Ganesh · 2012-01-13 22:54:24

Hi bobbym,

The solution #3525 is correct. Marvelous!

#3526. The price of an article is raised by 30% and then two successive discounts of 10% each are allowed. What is the increase/decrease percent ultimately of the article?

#3527. A tradesman gives 4% discount on the marked price and gives 1 article free for buying for every 15 articles and thus gains 35%. What is the percent of the marked price increased by the cost price?

bobbym · 2012-01-13 23:56:29

Hi;

Jai Ganesh · 2012-01-14 01:20:20

Hi bobbym,

The

The solution #3527 is perfect. Good work!

#3528. A wall of 100 meters can be built by 7 men or 10 women in 10 days. How many days would 14 men and 20 women take to build a wall of 600 meters?

bobbym · 2012-01-14 01:26:03

Hi ganesh;

Jai Ganesh · 2012-01-15 00:10:47

Hi bobbym,

The solution #3528 is correct. Good work!

#3529. A can do a piece of work in 60 days. He works for 15 days and then B alone finishes the remaining work in 30 days. In how many days can the two finish the work together?

#3530. A trader sells two articles at $6000 each. He makes a profit of 20% in the sale of the first article and a loss of 20% in the sale of the second article. What is his net gain or loss percent?

bobbym · 2012-01-15 00:30:39

Hi ganesh;

Jai Ganesh · 2012-01-15 01:23:09

Hi bobbym,

The solutions #3529 and #3530 are both correct. Magnificent!

#3531. Find the least value of the following:

% of 100, .

bobbym · 2012-01-15 01:26:24

Hi ganesh;

Jai Ganesh · 2012-01-15 20:43:59

Hi bobbym,

The solution #3531 is correct. Neat job!

#3532. The area of a circle of a radius 5 is numerically what percent of its circumference?

#3533. The difference of two numbers is 20% of the larger number. If the smaller number is 20, what is the larger number?

bobbym · 2012-01-15 20:51:26

Hi;

Jai Ganesh · 2012-01-16 01:30:10

Hi bobbym,

The solutions #3532 and #3533 are correct. Brilliant!

#3534. In an examination, 60% of the students pass in English, 70% pass in French, and 40% pass in both. What percent of the students fail in both, English and French?

bobbym · 2012-01-16 02:23:02

Hi ganesh;

Jai Ganesh · 2012-01-17 01:26:44

Hi bobbym,

The solution #3534 is correct. Good work!

#3535.

#3536.

bobbym · 2012-01-17 01:29:53

Hi ganesh;

Jai Ganesh · 2012-01-17 01:42:18

Hi bobbym,

The solutions #3535 and #3536 are correct. Brilliant!

#3537.

bobbym · 2012-01-17 01:46:07

Hi;

Jai Ganesh · 2012-01-18 01:28:55

Hi bobbym,

The answer #3537 is correct. Good work!

#3538.

#3539. What is the digit in the unit's place of

?

Math Is Fun Forum

#3576 2012-01-11 01:28:59

Re: 10 second questions

#3577 2012-01-11 01:37:54

Re: 10 second questions

#3578 2012-01-11 22:21:36

Re: 10 second questions

#3579 2012-01-11 23:43:57

Re: 10 second questions

#3580 2012-01-12 01:32:23

Re: 10 second questions

#3581 2012-01-12 01:39:29

Re: 10 second questions

#3582 2012-01-13 03:16:32

Re: 10 second questions

#3583 2012-01-13 03:53:35

Re: 10 second questions

#3584 2012-01-13 22:54:24

Re: 10 second questions

#3585 2012-01-13 23:56:29

Re: 10 second questions

#3586 2012-01-14 01:20:20

Re: 10 second questions

#3587 2012-01-14 01:26:03

Re: 10 second questions

#3588 2012-01-15 00:10:47

Re: 10 second questions

#3589 2012-01-15 00:30:39

Re: 10 second questions

#3590 2012-01-15 01:23:09

Re: 10 second questions

#3591 2012-01-15 01:26:24

Re: 10 second questions

#3592 2012-01-15 20:43:59

Re: 10 second questions

#3593 2012-01-15 20:51:26

Re: 10 second questions

#3594 2012-01-16 01:30:10

Re: 10 second questions

#3595 2012-01-16 02:23:02

Re: 10 second questions

#3596 2012-01-17 01:26:44

Re: 10 second questions

#3597 2012-01-17 01:29:53

Re: 10 second questions

#3598 2012-01-17 01:42:18

Re: 10 second questions

#3599 2012-01-17 01:46:07

Re: 10 second questions

#3600 2012-01-18 01:28:55

Re: 10 second questions

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