If 45-(28 -(37- (15 - *))] = 58. then * is equal to:

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RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

If 45-(28 -(37- (15 - *))] = 58. then * is equal to:

A-29

B-19

C19

D29

Nithin K ? Apr 20 '2018 at 20:41

Correct Answer: C [19]

Explanation:

\(45-[28-(37-(15-?))]=58\)

\(\implies 45 -[28-(37-15-?)]=58\)

\(\implies 45 -[28-22-?]=58\)

\(\implies 45-6+?=58\)

\(39+?=58 \implies = 58-39\)

\(=19\)

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Correct Answer: C [19] Explanation: \(45-[28-(37-(15-?))]=58\) \(\implies 45 -[28-(37-15-?)]=58\) \(\implies 45 -[28-22-?]=58\) \(\implies 45-6+?=58\) \(39+?=58 \implies = 58-39\) \(=19\) Nithin K ? answered Apr 20 '2018 at 20:41 All Comments

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