Find the missing number.
A. 42
B. 4
C. 6
D. 36
Answer: Option B
Solution(By Examveda Team)
In the first column,27- 7*2 = 13
In the second column,
144 - 45*2 = 54
So,
in the third column,
68 -32*2 = 4
This Question Belongs to Competitive Reasoning >> Missing Number Finding
36 is also the correct answer bcz...13+7=27-7 & 54+45=144-45
Therefore ?+32=32+36
implies ?=36 (ans)
13+7=20+7=27
54+45+45=144
4+32+32=68
So ans.=4
27-7=20-7 =13
144-45=99-45=54
68-32=36-32 =4 Ąns
13 + 7 ( = 20 ) + 7 = 27
54 + 45 ( = 99 ) + 45 = 144
x + 32 + 32 = 68
x + 64 = 68
x = 4