Latest Posts

Let S Be The Set Of All Real Numbers Then The Relation R A B 1 Plus Ab Greater Than 0 On S Is

Let S be the set of all real numbers. Then the relation R = {(a, b) : 1 + ab... View Article

If the sum of n terms of a G.P. is 255 and nth terms is 128 and common ratio is... View Article

The sum of first two terms of a G.P is 1 and every term of this series is twice of... View Article

If the sum of an infinite G.P be 9 and the sum of first two terms be 5, then the... View Article

The third term of a G.P is the square of first term. If the second term is 8, then the... View Article

If the roots of the cubic equation ax3 + bx2 + cx + d = 0 are in G.P., then... View Article

The value of i – i2 + i3 – i4 + … – i100 equal is (1) i (2) -i... View Article

The 20th term of the series 2 × 4 + 4 × 6 + 6 × 8 + … will... View Article

If the third term of a G.P is 4 then the product of its first 5 terms is (1) 43... View Article

If the ratio of the sum of first three terms and the sum of first six terms of a G.P.... View Article

If x, 2x + 2, 3x + 3, are in G.P ., then the fourth term is (1) 27 (2)... View Article

The 5th term of the series 10/9, (1/3)√(20/3), 2/3,….is (1) 1/3 (2) 1 (3) 2/5 (4) √2/3 Solution: Given series... View Article

The number which should be added to the numbers 2, 14, 62 so that the resulting numbers may be in... View Article

If the first term of a G.P be 5 and common ratio be -5, then which term is 3125 (1)... View Article

If a, b, c are in G.P ., then (1) a(b2 + a2) = c(b2+c2) (2) a(b2 + c2) =... View Article

1 + 5 + 14 + 30 + … n terms = (1) (n+2)(n+3)/12 (2) n(n+1)(n+5)/12 (3) n(n+2)(n+3)/12 (4) n(n+1)2(n+2)/12... View Article

The number 111…………..1(91 times) is a (1) Even number (2) Prime number (3) Not prime (4) None of these Solution:... View Article

If the sum of first 6 terms is 9 times to the sum of first 3 terms of the same... View Article

1 + 2/2! + 33/3! + 43/4! + … equals (1) 5e (2) 4e (3) 3e (4) 2e Solution: Given... View Article

The value of 2/1! + (2+4)/2! + (2+4+6)/3! +… is (1) e (2) 2e (3) 3e (4) none of these... View Article