ibps-rrb-os1 2017 · Question 63 of 74

Find the difference between the total number of students passed in Statistics from year 2002 and total number of students failed in Economics from year 2005.

Quantitative Aptitude (misc)

A690
B385Correct
C485
D550
E610

Answer: B. 385

Explanation

Total no. of students passed in Statistics in year 2002 = 55 100 × 2700 = 1485 Total no. of students failed in Economics in year 2005 = 50 100 × 2200 = 1100 Required difference = 1485 – 1100 = 385 Short trick = 55 × 27 – 50 × 22 = 385

Source: IBPS RRB PO Prelims 2017 Memory Based Paper (Adda247) · memory-based

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