Examveda Find the missing number? A. 5B. 9C. 13D. 11Answer: Option D This Question Belongs to Competitive Reasoning >> Missing Number Finding
On one side one time plus and one time minus we get the same number
1st side
13-4=9
4+5=9
2nd side
4+7=11
15-4=11
3rd side
9+2=11
20-9=11
So we get 11 from both side that is the answer
????
13 -9 =4
15 -4 = 11
20 - 11= 9