10 second questions

bobbym · 2012-09-08 20:53:37

Hi ganesh;

Jai Ganesh · 2012-09-09 23:02:30

Hi bobbym,

The solutions #4299 and #4300 are correct. Neat job!

#4301. Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. What are marks obtained by them?

#4302. If x is 90% of y, then what percent of x is y?

bobbym · 2012-09-10 00:43:11

Hi ganesh;

Jai Ganesh · 2012-09-10 20:39:57

Hi bobbym,

The solution #4301 is correct. Good work!

#4303. Kevin spent $35,000 in buying raw materials, $40,000 in buying machinery and 20% of the total amount he had as cash with him. What is the total amount?

#4304. A man spends 35% of his income on food, 25% on children's education, and 80% of the remaining on house rent. What percent of his income he is left with?

bobbym · 2012-09-10 20:51:55

Hi;

Jai Ganesh · 2012-09-11 23:57:28

Hi bobbym,

The solution #4303 I get

.

The solution #4304 is correct. Good work!

#4305. If x% of y is the same as 4/5 of 80, then what is the value of xy?

#4306. If x% of y is 100 and y% of z is 200, then find the relation between x and z.

bobbym · 2012-09-12 00:49:35

Hi;

Jai Ganesh · 2012-09-12 13:30:37

Hi bobbym,

The solutions #4305 and #4306 are correct. Excellent!

#4307. If p% of p is 36, then what is p equal to?

#4308. If x% of y is equal to z, what percent of z is x?
(a)

(b)
(c)
(d)

bobbym · 2012-09-12 13:44:49

Hi ganesh;

Jai Ganesh · 2012-09-13 20:33:34

Hi bobbym,

The solution #4307 is correct. Neat job!

#4309. A scored 30% marks and failed by 15 marks. B scored 40% marks and obtained 35 marks more than those required to pass. What is the pass percentage?

#4310. The price of a table is $400 more than that of a chair. If 6 tables and 6 chairs together cost $4800, by what percent is the price of the chair less than that of the table?

bobbym · 2012-09-13 20:45:19

Hi ganesh;

Jai Ganesh · 2012-09-14 22:48:07

Hi bobbym,

The solutions #4309 and #4310 are correct. Excellent!

#4311. Of the 1000 inhabitants of a town, 60% are males of whom 20% are literate. If, of all the inhabitants, 25% are literate, then what percent of the females of the town are literate?

#4312. 37.5 % of the candidates in an examination were girls, 75% of the boys and 62.5% of the girls passed and 342 girls failed. Find the number of boys failed.

bobbym · 2012-09-15 00:15:01

Hi;

Jai Ganesh · 2012-09-15 20:38:28

Hi bobbym,

The solution #4311 is correct. Good work!

#4313. The sum of the number of boys and girls in a school is 150. If the number of boys is x, then the number of girls becomes x% of the total number of students. What is the number of boys?

#4314. In an examination of n questions, a student replied 15 out of the first 20 questions correctly. Of the remaining questions, he answered one-third correctly. All the questions have the same credit. If the student gets 50% marks, what is the value of n?

bobbym · 2012-09-15 22:32:04

Hi ganesh;

Jai Ganesh · 2012-09-16 20:15:20

Hi bobbym,

The solutions #4313 and #4314 are correct. Superlative!

#4315. What percent decrease in salaries would exactly cancel out the 20 percent increase?

#4316. A number is increased by 20% and then again by 20%. By what percent should the increased number be reduced so as to get back the original number?

bobbym · 2012-09-16 21:00:44

Hi;

Jai Ganesh · 2012-09-17 20:11:52

Hi bobbym,

The solutions #4315 and #4316 are correct. Splendid!

#4317. The price of tea being increased by 20%, a man reduces his consumption by 20%. By how much percent would his expenses for tea be decreased?

#4318. Entry fee in an exhibition was $1. Later, this was reduced by 25% which increased the sale by 20%. What is the percentage increase in the number of visitors?

bobbym · 2012-09-17 23:14:59

Hi ganesh;

Denominator · 2012-09-18 07:29:55

Hello Ganesh

Jai Ganesh · 2012-09-18 18:11:27

Hi bobbym and Denominator,

bobbym : The solutions #4317 and #4318 are correct. Excellent!

Denominator : The solution #4317 is correct. Good work!

#4319. If the price of gas is increased by 30%, by how much percent a car owner must reduce his consumption in order to maintain the same budget?

#4320. In a fraction, the numerator is increased by 40% and the denominator is increased by 80%, then what fraction of the original is the new fraction?

bobbym · 2012-09-18 19:59:07

Hi;

Jai Ganesh · 2012-09-18 22:51:13

Hi bobbym,

The solutions #4319 and #4320 are correct. Magnificent!

#4321. If the price of sugar rises from $6 per kilogram to $7.5 per kilogram, a person, to have no increase in his expenditure on sugar, would have to reduce his consumption of sugar by what percent?

bobbym · 2012-09-19 02:14:43

Hi ganesh;

Jai Ganesh · 2012-09-19 19:43:41

Hi bobbym,

The solution #4321 is correct. Good work!

#4322. The population of a town was 160,000 three years ago. If it increased by 3%, 2.5%, and 5% respectively in the last three years, then what is the present population?

#4323. The population of a town 2 years ago was 62,500. Due to migration to big cities, it decreases every year at the rate of 4%. What is the present population of the town?

Math Is Fun Forum

#4151 2012-09-08 20:53:37

Re: 10 second questions

#4152 2012-09-09 23:02:30

Re: 10 second questions

#4153 2012-09-10 00:43:11

Re: 10 second questions

#4154 2012-09-10 20:39:57

Re: 10 second questions

#4155 2012-09-10 20:51:55

Re: 10 second questions

#4156 2012-09-11 23:57:28

Re: 10 second questions

#4157 2012-09-12 00:49:35

Re: 10 second questions

#4158 2012-09-12 13:30:37

Re: 10 second questions

#4159 2012-09-12 13:44:49

Re: 10 second questions

#4160 2012-09-13 20:33:34

Re: 10 second questions

#4161 2012-09-13 20:45:19

Re: 10 second questions

#4162 2012-09-14 22:48:07

Re: 10 second questions

#4163 2012-09-15 00:15:01

Re: 10 second questions

#4164 2012-09-15 20:38:28

Re: 10 second questions

#4165 2012-09-15 22:32:04

Re: 10 second questions

#4166 2012-09-16 20:15:20

Re: 10 second questions

#4167 2012-09-16 21:00:44

Re: 10 second questions

#4168 2012-09-17 20:11:52

Re: 10 second questions

#4169 2012-09-17 23:14:59

Re: 10 second questions

#4170 2012-09-18 07:29:55

Re: 10 second questions

#4171 2012-09-18 18:11:27

Re: 10 second questions

#4172 2012-09-18 19:59:07

Re: 10 second questions

#4173 2012-09-18 22:51:13

Re: 10 second questions

#4174 2012-09-19 02:14:43

Re: 10 second questions

#4175 2012-09-19 19:43:41

Re: 10 second questions

Board footer