B. K Editorial Board Solutions for Exercise 5: Exercise 5

Complete the series:

$\frac{1}{81}, \frac{1}{54}, \frac{1}{36}, \frac{1}{24}, ...?$

$8850\times 999=$_____?

The number of all prime numbers less than $20$ is:

The L.C.M. of $87$ and $145$ is:

Which is the most abundant mineral in the human body?
(A) Sodium
(B) Iron
(C) Calcium
(D) None of these

Which is the heaviest living bird in the world?

(A) Hummingbird
(B) Ostrich
(C) Crane
(D) Albatross

$X$ can complete a piece of work in 30 hours and $Y$ can do it in 24 hours. In how many hours will it be completed if they work together?

(A) 13.33 hours
(B) 14.33 hours
(C) 15.33 hours
(D) 16.33 hours

The captain of Indian Cricket Team which won the World Cup in 1983 was -

(A) Sunil Gavaskar
(B) Kapil Dev
(C) K. Srikanth
(D) Mohinder Amarnath