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Bank PO :: Q Test No 130
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1 .

Direction (Q. 1 - 2) : Abagcontains 9 blue, 24 red, yellow and 12 pink T-shirts.

What is the probability that it is blue when one T-shirt is picked up randomly ?

A.    3/17 B.    2/9
C.    4/21 D.    5/36
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2 .

What is the chance that both T-shirts are pnk when two T-shirts are picked up randomly ?

A.    22/425 B.    6/301
C.    6/766 D.    5/16
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3 .

In a school the ratio of boys to girls is 5 : 4. If 18 girls comes from outside, the ratio is 203 : 166. What is the number of boys ?

A.    1265 B.    1038
C.    1015 D.    1175
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4 .

The population of a town is 760. It increases2% in the first year and then again increases 3.5% in the second year. What will be the approximate population aftertwo years ?

A.    810 B.    802
C.    990 D.    1015
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5 .

Ina classroom there are 60 students. The average age of girls is 7 years and that of boys is 11.5 years. The average age of the entire class is 10 years. If 5 boys leave the class what will be ratio of the number of boys to that of girls in the class.

A.    1:8 B.    2:5
C.    11:19 D.    7:4
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6 .

The length of a rectangle increases by 8% and breadth decreases by 2%. What wi II be the change in the perimeter ?

A.    Data Inadequate B.    2%
C.    4% D.    7%
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7 .

The angle of elevation ofthe top ofthe tower from Point A is 45°. On moving 20 metres, towards the tower, the elevation angle becomes 60°. What is the approximate height ofthe tower ?

A.    61 metre B.    49 metre
C.    43 metre D.    47.3 metre
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8 .

If the entry fee of an exhibition is reduced by 15% the sale increases by 65%. What is the percentage increase in the revenue ?

A.    38.25 B.    42.5
C.    50 D.    None of these
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9 .

A sample of milk contains 5% water. What quantity of pure milk should be added to 10 Ihres of this sample to reduce the water to 2% ?

A.    18 litre B.    20 litre
C.    30 litre D.    None of these
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10 .

When 30% of a number is added to another number, the number increases by 80%. What is the ratio of the first number to the second ?

A.    3:5 B.    11:12
C.    8:7 D.    8:3
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