allery10% की कमी के बाद एक मान 360 हो जाता है। कमी से पहले यह क्या था?
A390
B396
C400
D410
Answer & Solution
Correct answer: C. 400
मूल मान * 0.90 = 360। मूल मान = 360 / 0.90 = 400।
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