1 .

In what time will Rs..1000 amount to Rs.1331 at 20% per annum, compounded half - yearly ?

A.  1 1/2 years
B.  2 years
C.  1 years
D.  2 1/2 years
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2 .

A circular park has a path of uniform width around it. The difference between outer and inner circumferences of the circular path is 132 m. Its width is (take pi = 22/7)

A.  22m
B.  20m
C.  21m
D.  24m
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3 .

A man bought a second - hand typewriter for Rs.1200 and spent Rs.200 on its repairs. He sold it for Rs.1680. His profit percent is

A.  20%
B.  10%
C.  8%
D.  16%
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4 .

A train 800 metres long is running at the speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in metres) is

A.  77200
B.  500
C.  1300
D.  13
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5 .

In an examination 70% of the candidates passed in English, 80% passed in Mathematics, and 10% failed in both the subjects. If 144 candidates passed in both, the total number of candidates was 

A.  125
B.  200
C.  240
D.  375
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6 .

The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400g. The weight of the teacher is

A.  50 kg
B.  55 kg
C.  45 kg
D.  53 kg
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7 .

The present age of a father is 3 years more than three times the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the son. The father’s present age is

A.  33 years
B.  39 years
C.  45 years
D.  40 years
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8 .

Thrice the square of a natural number decreased by four times the number is equal to 50 more than the number. The number is

A.  4
B.  5
C.  10
D.  6
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9 .

If right circular cone of height 24cm has a volume of 1232 cm3, then the area of its curved surface (take pi = 22/7) is 

A.  1254 cm2
B.  704 cm2
C.  550 cm2
D.  None of these
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10 .

Babu and Asha can do a job together in 7 days, Asha is 1 3/4 times are efficient as Babu. The smae job can be done by Asha alone in

A.  49/4 days
B.  49/3 days
C.  11 days
D.  28/3 days
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