In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly. 28 60 48 5 6 7 17 30 7 7 ? 16

Correct Answer: 16,8

Explanation:

 

The numbers in the first row form a series 1², 2², 3².
So, missing number in the first row = 4² = 16.
The number in the second row from the series, 1, 2, 3, 4.
The number in the third row from the series 2, 4, 6.
So, missing number in the third row = 6 + 2 = 8.

Correct Answer: 16

Explanation:

 

In the first column, 17 - 11 = 25 - 19 = 6.
In the second column, 12 - 6 = 34 - 28 = 6.
Let the missing number in the third column be y.
Then, y - 8 = 19 - 11 = 8 or y = 16.

Correct Answer: 12

Explanation:

 

 

In the first column, 2 x 1 + 1 = 3.
In the second column, 14 x 7 + 7 = 105.
Let the missing number in the third column be y.
Then, y x 9 + 9 = 117 or  9y = 108  or  y = 12.

Correct Answer: W

Explanation:

 The letters in the first row follow the sequence +5, +7.

The letters in the second row follow the sequence +6, +8.
In the third row, the first letter G moves 7 steps forward to give the second letter N.
Clearly, the missing letter will be 9 steps ahead of N i.e. W.

Correct Answer: 12

Explanation:

 

In the first row, 72 ÷ (²⁴/₂) = 72 ÷ 12 = 6.
In the second row, 96 ÷ (¹⁶/₂) = 96 ÷ 8 = 12.
Let the missing number in the third row be y.
Then, 108 ÷ (^y/₂) = 18  or  ^y/₂ = ¹⁰⁸/₁₈ = 6  or  y = 12.

Correct Answer: 21,14

Explanation:

Putting A=1, B=2, C=3,..., M=13,....,X=24,Y=25, Z=26, we have :

 

 

 

  J R = J + R 2 + 2 = 10 + 18 2 + 2 = 16

 

 

 

C K = C + K 2 + 2 = 3 + 11 2 + 2 = 9

 

 

 

T X = T + X 2 + 2 = 20 + 24 2 + 2 = 24

 

 

 

O S = O + S 2 + 2 = 15 + 19 2 + 2 = 19

 

 

 

 So, the missing numbers are :

 

 

 

21 and 14

 

 

 

Hence, the answer is (b).

Correct Answer: 577

Explanation:

 

 

In the first column, 3 x 100 + 5 x 9 = 345.
In the second column, 4 x 100 + 6 x 10 = 460.
.'. In the third column, missing number = 5 x 100 + 7 x 11 = 577.

Correct Answer: 22

Explanation:

 

In the first row, (42 - 38) x 11 = 44.
In the second row, (28 - 23) x 11 = 55.
.'. In the third row, missing number = (39 - 37) x 11 = 2 x 11 = 22.

Correct Answer: K

Explanation:

 

The letters in the second and third rows are five steps ahead of those in the first and second trespectively.
So, the missing letter will be five steps ahead of F, which is K.

Correct Answer: 48

Explanation:

 

 

 

 

The sequence in first column is x 5. Thus, 1 x 5 = 5,  5 x 5 = 25,  25 x 5 = 125.
The sequence in third column is x 2. Thus, 7x 2 = 14,  14 x 2 = 28,  28 x 2 = 56.
The sequence in second column is x 4.
.'. Missin number = 12 x 4 = 48.