CSC Company Numerical Ability Arithmetic

1397 x 1397 = ?

A. 1951609 B. 1981709
C. 18362619 D. 2031719
E. None of these

Read Solution (Total 1)

(1400-3)(1400-3)
=1400^2+3^2-2*1400*3
=1960000+9-8400
=1951609( Answer option is A)
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CSC Other Question

What least number must be added to 1056, so that the sum is completely divisible by 23 ?

A. 2 B. 3
C. 18 D. 21
E. None of these How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336

A. 4 B. 5
C. 6 D. 7