By the mathematical induction, the expression 11n+2 + 122n + 1 is divisible by
133
124
114
113
If a and b are natural numbers such that a2 - b2 is a prime number, then
a2 - b2 = 1
a2 - b2 = 2
a2 - b2 = a - b
a2 - b2 = a + b
If x 3 > ( x2 + x + 2 ), then
x < 2
x ≥ 2
x > 2
x ≤ 2
The number 101 x 102 x 103 x 104 x ..... x 107 is divisible by .
4000
4050
5040
5050
If Pm stands for mPm' then the value of 1 + P1 + 2P2 + 3P3 + ..... + nPn is
n!
n2
( n + 1 )!
( n - 1 ) !
The solution of the inequality is.
( 2/3, 8 )
( -2, 8/3 )
The unit digit in the number 7126 is
1
3
9
5
If x > y > 0 where a > 1, then ?
log ax > log ay
logax < logay
logax ≥ logay
log ax = log ay
The value of ( 1 x 2 x 3 ) + ( 2 x 3 x 4 ) + ( 3 x 4 x 5 ) + ..... + n terms is
If x > -1, then the statement ( 1 + x ) n > 1 + nx is true for
All n < 1
All n > 1
All n ∈ N
All n > 1 provided x ≠ 0