Find the next number of the series 7, 10, 14, 16, 21, 22, -

Replace the question mark of the series 2B, 4C, 8E, 14H, (?) from the following alternatives.

Mamun is twelfth from the left and Alam is fifteenth from the right in a row. If we interchange their position...

The total population of 10 countries in the Asian zone is greater than the total population of 11 countries in...

If you had only one match stick and entered a COLD and DARK room, where there was an oil heater, an oil lamp a...

The positive difference between the squares of any two consecutive integers is always -

If x+y = z and x = y, then all of the following are true EXCEPT -