allery10% తగ్గిన తర్వాత ఒక విలువ 360 అవుతుంది. అంతకు ముందు అది ఎంత ఉండేది?
A390
B396
C400
D410
Answer & Solution
Correct answer: C. 400
మిగిలిన 360 అనేది అసలు 400 లో 90%.
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