Campus Maths Puzzle Numerical Ability

In a square , all the mid points are joined. the inner squareis shaded. If the area of the square
is A, what is the shaded area?

Read Solution (Total 1)

side is sqrt(A)
for shaded area side=sqrt(A)/2
now shaded area=sqrt(a/4+a/4)=sqrt(a/2)
9 years agoHelpfull: Yes(0) No(0)

Campus Other Question

An office used three types of envelopes: small, medium, and large. They used 70 small envelopes. The number of medium envelopes used was 5 times the number of small envelopes plus 5⁄20 of the number of large envelopes A natural number N, when divided by D, leaves a remainder of 17. When 3N is divided by D if the remainder is 7, what is the remainder when 8N is divided by D?
A)1
B)18
C)4
D)Cannot be determined