1 .

Diameter of wheel is 3m. The wheel revolves 28 times in a minute. To cover 5.280 km distance, the wheel will take (take pi = 22/7)

A.  10 min
B.  20 min
C.  30 min
D.  40 min
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2 .

If 12 + 22 + 32 ...............+ x2 = x(x + 1) (2x + 1)/6, then 12 + 32 + 52 + ...........+ 192 is equal to 

A.  1330
B.  2100
C.  2485
D.  2500
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3 .

If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to a plough it ?

A.  10 days
B.  11 days
C.  9 days
D.  12 days
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4 .

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work is done by A in 

A.  5 days
B.  6 days
C.  10 days
D.  10 1/2 days
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5 .

Average age of 6 sons of a family is 8 years. Average age of sons together with their parents is 22 years. If the father is older than the mother by 8 years, the age of mother (in years) is 

A.  44
B.  52
C.  60
D.  68
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6 .

A grocer has a sale of Rs. 6435, Rs 6927, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500 ?

A.  Rs.4991
B.  Rs.5991
C.  Rs.6991
D.  Rs.6001
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7 .

If the cost price of 50 oranges is equal to the selling price of 40 oranges, than the profit percent is 

A.  5
B.  10
C.  20
D.  25
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8 .

The area of an equilateral triangle is 400√3 sq.m. its perimeter is 

A.  120 m
B.  150 m
C.  90 m
D.  135 m
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9 .

Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 

A.  8.484
B.  8.526
C.  8.426
D.  8.876
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10 .

If a:b = 2/9:1/3, b:c = 2/7:5/14 and d:c = 7/10:3/5 then a:b:c:d is 

A.  4 : 6 : 7 : 9
B.  16: 24: 30 : 35
C.  8: 12: 15 : 7
D.  30: 35: 24 : 16
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