What approximate value should come in place of the question mark (?) in the following equation?
16524 + 1492 - 250.0521?
Options:
(A) 1600
(B) 1800
(C) 1900
(D) 2400
(E) 1400

? 16 23 + 1490 250 1600 So the answer is: (A).

If the given two numbers are respectively 7% and 14% of a third number, then what percentage is the first of the second ?
Options:
(A) 20%
(B) 25%
(C) 18%
(D) 50%
(E) none of these

Here, l = 7 and m = 14
Therefore, first number = l/m x 100% of second number = 7/14 x 100% of second number = 50% of second number So the answer is: (D).

Find the least number must be added to 433124 so that remaining no.is divisible by 17?
Options:
(A) 3
(B) 2
(C) 5
(D) 6
(E) 1

On dividing 433124 by 17 we get the remainder 15, so 2 should be added So the answer is: (B).

What approximate value should come in place of question mark (?) in the following equation
287.532 + 1894.029 657.48 = 843.095 + ?
Options:
(A) 870
(B) 790
(C) 680
(D) 770
(E) 890
? = 285 + 1895 655 845 or, ? = 680 So the answer is: (C).