10 second questions

Jai Ganesh · 2012-08-21 00:55:09

Hi bobbym and Denominator,

bobbym : The solution #4260 is correct. Well done!

Denominator : Both the solutions are correct. Excellent!

#4261. The speeds of three cars are in the ratio 5 : 4 : 6. The ratio in the time taken by them to travel the same distance is _________ .

#4262. In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, what is the total number of students in the college?

anonimnystefy · 2012-08-21 01:01:13

Hi ganesh

bobbym · 2012-08-21 01:05:51

Hi ganesh;

Denominator · 2012-08-21 07:24:46

Hello

Last edited by Denominator (2012-08-21 07:25:41)

Jai Ganesh · 2012-08-21 23:39:12

Hi anonimnystefy, bobbym, and Denominator,

The solution #4261 and #4262 are correct. Excellent!

#4263. The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, what percentage of the students does not get the scholarship?

#4264. In a school, 10% of the boys are same in number as 1/4 th of the girls. What is the ratio of boys to girls in that school?

bobbym · 2012-08-21 23:45:34

Hi;

Denominator · 2012-08-22 07:17:30

Hello

Jai Ganesh · 2012-08-22 22:42:52

Hi bobbym and Denominator,

Correct, bobbym! Good work!

The solution #4264 is correct, bobbym and Denominator! Neat work!

#4265. The ratio of the incomes of A and B is 5 : 4 and the ratio of their expenditures is 3 : 2. If at the end of the year, each saves $1600, then the income of A is ____________

#4266. Zinc and copper are melted together in the ratio 9 : 11. What is the weight of melted mixture, if 28.8 kilograms of zinc has been consumed in it?

bobbym · 2012-08-22 22:49:49

Hi ganesh;

Jai Ganesh · 2012-08-23 23:54:25

Hi bobbym,

The solutions #4265 and #4266 are correct. Brilliant!

#4267. An alloy is to contain copper and zinc in the ratio 9 : 4. The zinc required to be melted with 24 kilograms of copper is _____________

#4268. 60 kg of an alloy A is mixed with 100 kg of alloy B. If alloy A has lead and tin in the ratio 3 : 2 and alloy B has tin and copper in the ratio 1 : 4, then the amount of tin in the new alloy is ________________

bobbym · 2012-08-24 00:29:17

Hi;

Jai Ganesh · 2012-08-24 23:36:01

Hi bobbym,

The solutions #4267 and #4268 are perfect. Excellent!

#4269. Find the fourth proportional to 4, 9, 12.

#4270. Find the third proportional to 16 and 36.

bobbym · 2012-08-24 23:40:31

Hi;

Jai Ganesh · 2012-08-26 00:14:05

Hi bobbym,

The solutions #4269 and #4270 are correct. Good work!

#4271. A fruitseller sells mangoes at the rate of $9 per kilogram and thereby loses 20%. At what price per kilogram, he should have sold them to make a profit of 5%?

#4272. A property dealer sells a house for $630,000 and in the bargain makes a profit of 5%. Had he sold it for $500,000, then what percentage of loss or gain he would have made?

bobbym · 2012-08-26 06:23:41

Hi;

Denominator · 2012-08-26 19:45:38

Hello

Jai Ganesh · 2012-08-27 00:55:55

Hi bobbym and Denominator,

The solutions #4271 and #4272 are correct. Excellent!

#4273. If Selling Price is doubled, the profit triples. Find the profit percent.

#4274. At what profit percent must an article be sold so that by selling at half that price, there may be a loss of 30%?

bobbym · 2012-08-27 04:43:59

Hi;

Denominator · 2012-08-27 07:20:42

Hello

Jai Ganesh · 2012-08-27 23:47:55

Hi bobbym and Denominator,

The solutions #4273 and #4274 are correct, bobbym! Neat work!

The solution #4273 is correct, Denominator! Well done!

#4275. The profit earned by selling an article for $832 is equal to the loss incurred when the same article is sold for $448. What should be the selling price for making 50% profit?

#4276. The profit earned by selling an article for $900 is double the loss incurred when the same article is sold for $450. At what price should the article be sold to make 25% profit?

bobbym · 2012-08-28 00:19:53

Hi ganesh;

Denominator · 2012-08-28 17:47:00

Hello

Jai Ganesh · 2012-08-29 00:26:31

Hi bobbym and Denominator,

The solutions #4275 and #4276 are correct. Brilliant!

#4277. If 35% of a number is 175, then what percent of 175 is that number?

#4278. Two-fifth of one-third of three-seventh of a number is 15. What is 40 percent of that number?

bobbym · 2012-08-29 01:37:14

Hi;

Jai Ganesh · 2012-08-29 23:43:21

Hi bobbym,

The solutions #4277 and #4278 are correct. Remarkable!

#4279. If 15% of 40 is greater than 25% of a number by 2, when what is the number?

#4280. Subtracting 40% of a number from the number, we get the result as 30. Find the number.

Math Is Fun Forum

#4101 2012-08-21 00:55:09

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