Rbi Assistant Exam Template With Answers Page 24
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28RBI Assistant : Model Paper - 1
Distance covered in 20sec = 24 ×(25/3) = 200
SP = (150/100)×70 = 105
Length of each train = 200/2 = 100
Percentage = (105 – 100 )% = 5%
27) c.
29) a.
1st Bottle Contains 80% of milk and 20% water
==> 1 – no boy is selected
2nd Bottle Contains 70% of milk and 30% water
==> 1 – 6c4/11c4 = 21/22
Milk ratio = 80 : 70 = 8:7
30) b
28) d.
1/4+1/5 -1/20
Let original price = Rs.100
==>5+4-1/20
30% discount = Rs.30
==> 8/20
CP = 70
20/8 => 2(1/2)hrs
31) e.
3 units ----- 42
Milk =42
water =28
10+15+10 = 35%
100-35 = 65% = 26,000
==>42/(28+x) = 2/3
65% ------- 26,000
==> X = 35
100% ------
?
Salary = 40,000
34) a
Width = 40*100/100-40
32) c
==> 4000/60 = 66.66%
A : B = 2:3
==>15,000:B = 2:3
==> B = 22,500
35) 4;
33) c
5 units ----- 70
Page 24
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