Question
The Siri Fort in New Delhi was constructed during the
reign of which medieval Indian ruler?Solution
The correct answer is A
The coefficients of ap and aq in the expression of (1 + a)p+q are
(i) Equal
(ii) Equal with opposite sign...

If the sum of the coefficients of all even powers of x in the product (1 + x + x2 + … + x2n) (1 – x + x2 – x...
Find both the maximum value and the minimum value respectively of 3a4 minus; 8a3 + 12a2 minus; 48a + 25 on the interval...
The perimeter of a rectangular field is 34 metres and its area is 60 m2 . What is the length of the diagonal of this field?
Find the coefficient of x⁴ in (2x – 3/x)⁶.

A certain number of books were distributed equally among a group of students in a class. Each student received a number of books equal to one-fifth of t...
