Question
Who has been appointed as India’s next Ambassador to
South Korea?Solution
Gourangalal Das, a 1999 batch IFS officer, has been appointed as India’s next Ambassador to South Korea. He is currently leading the East Asia division at MEA headquarters.
If the sum of the coefficients in the expansion of (a + b)n is 16384, then the greatest coefficient in the expansion is

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?
If the sum of the coefficients of all even powers of x in the product (1 + x + x2 + … + x2n) (1 – x + x2 – x...
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...

Find the coefficient of x⁴ in (2x – 3/x)⁶.

Find both the maximum value and the minimum value respectively of 3a4 minus; 8a3 + 12a2 minus; 48a + 25 on the interval...