self Maths Puzzle

The sum of a number and the number preceding it is 33. By how much is two less than six times the
number?
a) 196 b) 94 c) 90 d) 100

Read Solution (Total 2)

self Other Question

A water tank can be filled by pipe P alone in 30 minutes and by pipe Q alone in 40 minutes. The same tank can be emptied by pipe R in 25 minutes. If all the three pipes are opened at the same time, how long will it take to fill the water tank?
a) 90 min
b) 150 min
c) 120 min
d) 60 min
e) None of these
One-fourth of a number is greater than one-fifth of the number succeeding it by 1. Find the number.
a) 24 b) 42 c) 36 d) 48