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

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