MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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Correct Answer: B. 36
Explanation:
f(7)=4×7+8=36.
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Correct Answer: B. 3.8
Explanation:
10% of 38 = 3.8.
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Correct Answer: C. 154
Explanation:
Area = 14 × 11 = 154 cm².
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Correct Answer: C. 4.2
Explanation:
10% of 42 = 4.2.
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Correct Answer: B. 119
Explanation:
Area = 17 × 7 = 119 cm².
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Correct Answer: C. 15
Explanation:
By Vieta’s formula, the sum of the roots is the coefficient of x with sign changed.
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Correct Answer: B. 55
Explanation:
Use combinations: C(11,2) = 55.
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Correct Answer: B. 6/14
Explanation:
Probability = favourable outcomes ÷ total outcomes.
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Correct Answer: A. 10.25
Explanation:
Mean = (12 + 8 + 1 + 20)/4 = 10.25.
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Correct Answer: D. 23
Explanation:
f(7)=2×7+9=23.
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Correct Answer: C. 3
Explanation:
10% of 30 = 3.
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Correct Answer: D. 63
Explanation:
Area = 7 × 9 = 63 cm².
