Railway Rrb Exam Template With Answers Page 8
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42Railway RRB : Model paper 1
26. If 8 men or 17 boys can do a piece of work in 26 days, how many days will it take
for 4 men and 24 boys to complete a piece of work 50 × 0.9 time great?
a) 680 days
b) 612 days
c) 68 days 80 days
d) 50 days
e) None of The Above
27. The square root of (7 + 3 √ 5 ) (7 ⎯ 3 √ 5 ) is
a) √ 5
b) 2
d) 3 √ 5
c) 4
e) None of these
28. √ 0.0169 × ? = 1.3
a) 10
b) 100
c) 1000
d) 10000
e) None of these
29. √ 81 + √ 0.81 = 10.09 - x
a) 0.019
b) 0.19
c) 0.9
d) 0.109
e) None of these
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