by abdulsaboor » Wed Aug 21, 2013 2:30 pm
3.
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
Answer: Option A
5.
1397 x 1397 = ?
A. 1951609
B. 1981709
C. 18362619
D. 2031719
E. None of these
Answer: Option A
6.
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
Answer: Option A
Explanation:
132 = 4 x 3 x 11
So, if the number divisible by all the three number 4, 3 and 11, then the number is divisible by 132 also.
264 11,3,4 (/)
396 11,3,4 (/)
462 11,3 (X)
792 11,3,4 (/)
968 11,4 (X)
2178 11,3 (X)
5184 3,4 (X)
6336 11,3,4 (/)
Therefore the following numbers are divisible by 132 : 264, 396, 792 and 6336.
Required number of number = 4.
DR ABDUL SABOOR
PHD Scholar at Superior University Lahore- Pakistan
MS Business Administration (HRM)
BS Business Administration (Marketing)
Member Editorial Board Science Publishing Group USA
Member Editorial Board International Journal of Marketing Studies
Cell=0308-6837987
Pakistan