Others Maths Puzzle Numerical Ability

how many 4 digit numbers that do not contain the digits 3 or 6 are there?

Read Solution (Total 1)

Others Other Question

4,12,95,1,1,96,29,1,96,26,2,96.. There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a new comer. If the average of the class was thereby lowered by 1 month, the age of new comer is