Aptitude Question:
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A person had to multiply two numbers. Instead of multiplying by 35, he multiplied by 53and the product went up by 540. What was the raised product?
a) 780
b) 1040
c) 1590
d) 1720

Answer:

x*53-x*35=540=> x=30 therefore, 53*30=1590 Ans

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