RRB NTPC Prelims Model Paper 4 with solutions

Question : 74 of 100

Marks: +1, -0

If P means +, Q means –, R means × and S means ÷, and then what will be the value of

1/3 P1/6R1/2Q1/4

Solution:

1/3 P1/6R1/2Q1/4=1/3+1/6×1/2

2/1-1/4=1/3+1/6×1/4-1/4

1/3+1/6×1/4-1/4=1/3+1/24-1/4

={8+1-6}/24=3/24=1/8

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