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SSC CGL 2025 PYQ — Question 61

SSC CGL - 19 Sep 2025 - Shift 1 • Quantitative Aptitude • Q61

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What is the value of sin 20° cos 10° + cos 20° sin 10°?

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 12\frac{1}{2}.

sinA cosB + cosA sinB = sin(A + B)

sin20° cos10° + cos20° sin10° = sin(20° + 10°) = sin30° = 1/2