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15 mins Tough SSC CGL Maths Set 15

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Sample Questions from 15 mins Tough SSC CGL Maths Set 15

Use this preview to understand the level and coverage of the quiz. The complete attempt contains 25 questions.

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Q1. If f(x) = (3x - 1)/(x + 2), find f⁻¹(2).

यदि f(x) = (3x - 1)/(x + 2) है, तो f⁻¹(2) ज्ञात कीजिए।

A. 3
3

B. 4
4

C. 5
5

D. 6
6

Q2. The HCF and LCM of two numbers are 24 and 1440. If the sum of the numbers is 408, find their difference.

दो संख्याओं का HCF और LCM क्रमशः 24 और 1440 है। यदि उनका योग 408 है, तो उनका अंतर ज्ञात कीजिए।

A. 120
120

B. 144
144

C. 168
168

D. 192
192

Q3. Simplify: (√7 + √5)² + (√7 - √5)².

सरलीकृत कीजिए: (√7 + √5)² + (√7 - √5)².

A. 20
20

B. 22
22

C. 24
24

D. 26
26

Q4. Evaluate: (243^(2/5) × 32^(3/5)) / 27^(1/3).

मान ज्ञात कीजिए: (243^(2/5) × 32^(3/5)) / 27^(1/3).

A. 18
18

B. 20
20

C. 24
24

D. 27
27

Q5. Find the least positive number which leaves remainder 5 when divided by 8, 12 and 15, and is exactly divisible by 7.

वह सबसे छोटी धनात्मक संख्या ज्ञात कीजिए जो 8, 12 और 15 से भाग देने पर 5 शेष छोड़े तथा 7 से पूर्णतः विभाजित हो।

A. 125
125

B. 185
185

C. 245
245

D. 305
305

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