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Inserting The Missing Character

Verbal Reasoning
1.
 
  • A. 3
  • B. 4
  • C. 5
  • D. 6
Ans: C.
Sol.
In the first column, 29 - 8 = 7 × 3 = 21.
In the second column, 19 - 7 = 4 × 3 = 12.
Let the missing number in the third column be x.
Then, 31 - 6 = 5 × x or 5x = 25 or x = 5.
 
2.
 
  • A. 25
  • B. 27
  • C. 32
  • D. 37
Ans: B.
Sol.
In the first row, 5 × 1 = 5, 6 × 1 = 6, 5 + 6 =11.
In the second row, 6 × 4 = 24, 3 × 2 = 6, 24 + 6 = 30.
In the third row, 3 × 5 = 15, 4 × 3 = 12.
So, missing number = 15 + 12 = 27.
 
3.
 
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Ans: B.
Sol.
In the first column, 12 × 6 = 72; 18 / 6 = 3.
In the third column, 16 × 8 = 128; 32 / 8 = 4.
In the second column, 14 × 8 = 112.
So, the missing number = 24 / 8 = 3.
 
4.
 
  • A. 7
  • B. 9
  • C. 11
  • D. 15
Ans: A.
Sol.
Clearly, (3rd column)2 + (2nd column)2 = (1st column)2
In the first row, 52 + 122 = 132.
In the second row, 82 + 152 = 1752.
Let the missing number in the third row be x.
Then x2 + 242 = 252 or x2 + 576 = 625 or x2 = 49 or x = 7.
 
 
5.
 
  • A. 15
  • B. 18
  • C. 19
  • D. 20
Ans: B.
Sol.
In the first row, 3 × 4 + 3 = 15.
In the second row, 7 × 5 + 3 = 38.
Therefore, in the third row, missing number = 3 × 5 + 3 = 18.