The number of prime factors of 1510 x 3137 x 18712
69
81
105
none
3^71 + 3^72 + 3^73 is divisible by :
34
26
19
39
log (c2/ab) + log(b2/ca) + log (a2/bc) is equal to
1
2/3
0
Expansion of cos(x) is
x-(x^3)/3!+(x^5)/5!-....
1-(x^2/2!)+(x^4/4!)-....
1+x+(x^2)/2!+(x^3)/3!+...
1-x+x^2-x^3+....
If both 11^2 and 3^3 are factors of the number a * 4^3 * 6^2 * 13^11, then what is the smallest possible value of a?
121
3267
363
33
Find the greatest number of five digits, which is exactly divisible by 7, 10, 15, 21 and 28.
99840
99900
99960
99990
10^5 - 7 is divisible by
2
3
8
2 or 3
5,8,26,48,122,_
168
37
170
2,24,720,_
40320
50102
12010
43520