Subject :IMO Class : Class 3
If 
= 36 and 
= 42, then 
= _____.
(A) 30
(B) 6
(C) 18
(D) 4
circle value is 6 as 6*6=36and 6 6 6 diamond = 42 so diamond value is 24circle diamond = 6 24 = 30 answer is (A)
Ans 1: (Master Answer)
Class : Class 1
(A): Circle x circle = 36
⇒circle = 6
circle + circle + circle + diamond = 42
⇒ 6 + 6 + 6 + diamond = 42
Diamond = 42-18 = 24
So, diamond + circle = 24 + 6 = 30