The difference between 42% and 28% of a number is 210. What will be 59% of that number ?

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RRB ASM Exam (Bhubaneshwar) 2009 click here to view all questions

The difference between 42% and 28% of a number is 210. What will be 59% of that number ?

A900

B420

C885

DNone of these

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Answer is: C [885] Explanation: Let the no. be x ⇒ (42% of x) - (28% of x) = 210  $⇒ \Big( \frac{42}{100} \Big) \times x$ - $\Big(\frac{28}{100}\Big) \times x$= 210 ⇒ 42x - 28x = 21000 ⇒ 14x = 21000 ⇒ x = 1500 59% of 1500 = $\Big(\frac{59}{100}\Big)$ × 1500 = 59 × 15 = 885 graheshsir ? answered Jan 12 '2019 at 21:30 All Comments

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