Q1. If f(x) = 3x - 2 and g(x) = x² + 1, find f(g(4)) + g(f(2)).
यदि f(x) = 3x - 2 और g(x) = x² + 1 है, तो f(g(4)) + g(f(2)) ज्ञात कीजिए।
15 minutes Ultra Tough SSC CGL Maths Set 13
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Sample Questions from 15 minutes Ultra Tough SSC CGL Maths Set 13
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Q2. For positive integers, if f(x + y) = f(x) + f(y) + 2xy and f(1) = 3, find f(5).
धनात्मक पूर्णांकों के लिए यदि f(x + y) = f(x) + f(y) + 2xy और f(1) = 3 है, तो f(5) ज्ञात कीजिए।
Q3. The HCF and LCM of two numbers are 12 and 840 respectively. If their sum is 228, find the larger number.
दो संख्याओं का HCF और LCM क्रमशः 12 और 840 है। यदि उनका योग 228 है, तो बड़ी संख्या ज्ञात कीजिए।
Q4. Find the least positive number which leaves remainder 7 when divided by 12, 15 and 20, and is exactly divisible by 13.
वह सबसे छोटी धनात्मक संख्या ज्ञात कीजिए जो 12, 15 और 20 से भाग देने पर 7 शेष छोड़े तथा 13 से पूर्णतः विभाजित हो।
Q5. Simplify: (√50 + √98) / √2.
सरलीकृत कीजिए: (√50 + √98) / √2.
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