If 5 books cost r rupees, how many books can be purchased for 2 rupees ?
10r
5
25
A snapshot measures It is to be enlarged so that the longer dimension will be 4 inches. The length of the enlarged shorter dimension will be -
3 inches
If 3 x +2 y = 5 a + b, and 4 x - 3 y = a + 7 b, then x is equal to -
a + b
a - 2 b
2 a + b
5 a - 6 b
In a group of m workers, if b workers earn per week and the rest earn half that amount each, which of the following represents the total number of rupees paid to the entire group of workers in a week ?
What is the difference between the sum of all positive odd integers less than 102 and the sum of all positive even integers less than 102 ?
24
12
101
51
If of the liquid contents of a can evaporates on the first day and of the remainder evaporates on the second day, the fractional part of the original contents remaining at the close of the second day is -
If n is the first of two consecutive odd integers, and if the difference of their squares is 120, which of the following equations can be used to find their values ?
6
8
30
