Others Maths Puzzle Category

The probability of having at least one tail in 5 throws of a coin is
Option 1 : 1/32 Option 2 : 31/32 Option 3 : 1/5 Option 4 : None of these

Read Solution (Total 2)

Others Other Question

a dealer buys ap product at rs 1920 : FIND THE VALUE OF X here?
(2/7)^-8*(7/2)^-2=(2/7)^X
Op 1: 3
Op 2: -3
Op 3: -6
Op 4: 2