Discuss CAT : PROBLEM SOLVING - PERCENTAGES within the Quant forums, part of the CAT, XAT, MAT, CET, JMET and other Indian MBA Entrance Exams category; Hey, MPians............ I'm back with CAT threads again.............
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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?
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?
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 :-
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.
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