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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