2, 6, 12, 20, 30, 42, 56, (__)
60
64
72
70
If n is a natural number, then (6n2 + 6n) is always divisible by:
6 only
12 only
6 and 12 both
by 18 only
Let N = 553 + 173 - 723. N is divisible by:
both 7 and 13
both 3 and 13
both 17 and 7
both 3 and 17
The value of (4.7 x13.26 + 4.7 x 9.43 + 4.7 x 77.31 ) is
0.47
47
470
4700
Given that 268*74 =19832, find the values of 2.68 * 0.74.
1.9832
1.9831
1.8831
1.9952
40.83 x 1.02 x 1.2 =?
41.64660
49.97592
42.479532
58.7952
H.C.F. of 3240, 3600 and a third number is 36 and their L.C.M. is 2^4 x 3^5 x 5^2 x 7^2 The third number is:
2^2 x 3^5 x 7^2
2^2 * 5^3 * 7^2
2^2 * 5^2 * 7^2
2^3 * 3^5 * 7^2
How many factors of 25*36*52 are perfect squares?
20
24
26
28
6, 12, 48, 100, 384, 768, 3072 Find out the wrong number in the series.
768
100
384
12
48
The H.C.F. of 2923 and 3239 is :
37
73
79
An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:
10%
10.25%
10.5%
None of these