CAT : PROBLEM SOLVING - PERCENTAGES

[rahul_parab2006]

Hey, MPians............ I'm back with CAT threads again.............

Please post ur answers as well as put ur questions here also, especially for CAT 2007 aspirants...............

PERCENTAGES

1. Ryan’s stock of goods is worth $ 9462, which is 15 % more than Harland’s, and 15 % less than Lambert’s. What is the value of stock carried by Harland and Lambert respectively?

1] $ 8218, $ 10032
2] $ 1419, $ 10881
3] $ 8042, $ 10881
4] $ 8228, $ 11132

2. An electrical contractor purchases a certain amount of wire, 10 % of which was stolen. After using 85 % of the remainder, he had 47m and 25 cm of wire left. How much wire did he purchase?

1] 325m
2] 350m
3] 96m
4] 103m

3. The population of two parts of a town i.e. the upper and the lower parts of a town were equal. After the former had fallen 20 per cent, the total number of inhabitants was 39390. What was the population of each part at first?

1] 32825
2] 20200
3] 21435
4] 76810

4. A fraction in reduced form is such that when it is squared and then the numerator is reduced by 100/3 % and the denominator is reduced by 20%, its result is twice the original fraction. The sum of the numerator and the denominator is :-

1] 8
2] 17
3] 13
4] None of these

5. Which of the following statement/s is/are true?

I – If two numbers are such that one is 25 % more than the second then the sum of the two numbers is nine times that of the difference of the two numbers.

II – If 56 % of a number A is 24 % of another number B then 49 % of A is 21 % of B.

III – If 7/11 x is same as 2/9 y, then 81 % of x is same as 188/7 of y.

1] Only I.
2] Only III.
3] Only I and II.
4] Only II and III.

[ed1968]

nice post......................... dude nice work but the answers could be helpfull

[kmaheshkumar18]

nice work friend
here are my answers please tell me whethe i am correct or not....
1)1
2)2
3)3
4)didn't get
5)3
Please give a clue for 4th problem..
thanks.. keep up the good work going....