MCQ Collection
Japan MCQs
Practice Japan questions with answers and explanations.
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Correct Answer: C. 73
Explanation:
f′(x)=10x+3; substitute x=7.
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Correct Answer: A. 432
Explanation:
An antiderivative is 6x²+6x, giving 432.
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Correct Answer: B. 7−2i
Explanation:
The conjugate changes the sign of the imaginary part.
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Correct Answer: B. 2
Explanation:
z=(x−mean)/sd=2.
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Correct Answer: B. 31381059609
Explanation:
Repeated multiplication gives 31381059609.
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Correct Answer: D. log(8)
Explanation:
log x + log y = log(xy).
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Correct Answer: C. 45
Explanation:
The sum is 3(1+…+5)=3×15=45.
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Correct Answer: C. 3
Explanation:
10% of 30 = 3.
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Correct Answer: B. 18.25
Explanation:
Mean = (15 + 19 + 5 + 34)/4 = 18.25.
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Correct Answer: D. 17
Explanation:
f(7)=2×7+3=17.
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Correct Answer: C. 165
Explanation:
Use combinations: C(11,3) = 165.
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Correct Answer: D. 4/12
Explanation:
Probability = favourable outcomes ÷ total outcomes.
