Question

Given below is a diagram of three circles X, Y and Z which represent musicians, singers and dancers, respectively. The circles intersect with each other and form regions $a, b, c$ and $d$ . Select the region that represents musicians who are singers but not dancers.

A.
Only c
B.
Only d
C.
a and d
D.
b and d

Accepted Answer

B. X = Musicians, Y = Singers, Z = Dancers. Region $b$ lies inside X, Y, and Z (Musicians, Singers, and Dancers). Region $d$ lies inside X and Y, but outside Z. Thus, region $d$ represents musicians who are singers but not dancers.

Venn Diagram Region for Musicians and Singers

Explanation

Practise this under exam conditions