Most Important Questions of Mathematical Operations for CGL

Q1 - If 4 x 9 x 3 = 4 and 5 x 3 x 1 = 3, then 9 x 9 x 7 = ? / यदि 4 x 9 x 3 = 4 तथा 5 x 3 x 1 = 3 हो, तो

9 x 9 x 7 = ?

Options:

1) 5

2) 6

3) 7

4) 9

Correct Answer: 5

Q2 - If (3)² @ ¹ * 7 = 98 and (4)² @ ² * 16 = 178, then (5)² @ ³ * 9 = ? / यदि (3)² @ ¹ * 7 = 98 तथा (4)² @ ² * 16 = 178 हो, तो (5)² @ ³ * 9 = ?

Options:

1) 218

2) 262

3) 253

4) 259

Correct Answer: 262

Q3 - If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?/ यदि 6 * 9 – 4 = 58 तथा 3 * 9 – 7 = 34 हो, तो समीकरण A * 4 – 9 = 91 में 'A' का मान क्या है?

Options:

1) 6.5

2) 17.5

3) 20.5

4) 30.5

Correct Answer: 20.5

Q4 - If 5 # 9 @ 7 = 52 and 3 @ 9 # 2 = – 89, then 7 # 6 @ 9 = ? / यदि 5 # 9 @ 7 = 52 तथा 3 @ 9 # 2 = – 89 हो, तो 7 # 6 @ 9 = ?

Options:

1) 67

2) 56

3) 43

4) 28

Correct Answer: 67

Q5 - If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?/ यदि 13 # 9 = 94 तथा 18 # 7 = 100 हो, तो 24 # 6 = ?

Options:

1) 121

2) 113

3) 148

4) 115

Correct Answer: 113