1 .
    A and B can complete a piece of work in 8 and 10 days respectively. However they work alternately one day each with A beginning the work. In how much time will the work be completed ?
    A.  $4 \over 5$ days
    B.  5$4\over 5$ days
    C.  8$4 \over 5$
    D.  6$4\over 5$
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    2 .
    If the numberator of a fraction is increased by 800% and the denominator is increased by 300%. The resultant fraction is 1 $2\over7$ . What was the original fraction ?
    A.  $4 \over 7$
    B.  $11 \over 7$
    C.  $7 \over 11$
    D.  $4 \over 11$
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    3 .
    The distance between places A and B is 999 kms. An express train leaves place A at 6 am and Runs at a speed of 55.5 km/hr. The train stops on the one the way for 1 hours 20 minutes. It reaches B at
    A.  1 : 20 am
    B.  12 : 00 pm
    C.  6 : 00 pm
    D.  11 : 00 pm
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    4 .
    The angle of elevation of the top of a building from the top and bottom of a tree are xand y respectively. If the height of the tree is hmetres, then the height of the building is
    A.  $h cotx \over cot x - cot y$
    B.  $h cot^2 x \over cot x - cot y$
    C.  $h cotx \over cot x + cot y$
    D.  $h cot^2 x \over cot x + cot y$
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    5 .
    If sin sec(30� + $\alpha$ ) = 1 and 0� < $\alpha$ < 60�, then the value of sin$\alpha$ + cos2$\alpha$ is -
    A.  1
    B.  $2 + \sqrt 3 \over 2\sqrt 3$
    C.  0
    D.  $\sqrt 2$
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    6 .
    Pipe A can fill a tank in 10 hours, pipe B in 15 hours and pipe C can empty it in 20 hours. If all the 3 pipes are open together when will the tank be filled ?
    A.  5 hours
    B.  4$8 \over 13$ hours
    C.  8$4 \over 7$ hours
    D.  7 hours
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    7 .
    X and Y can complete a job in 12 days. X alone can complete it in 16 days. Both of them work together for 4 days and then X left the work. How long will it take for Y to complete the remaining work ?
    A.  32 days
    B.  48 days
    C.  20 days
    D.  36 days
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    8 .
    The marked price of an article is Rs. 150. If he allows a discount of 10%, he still gains a profit of 25%. The cost price of the article is
    A.  Rs.54
    B.  Rs.102
    C.  Rs.108
    D.  Rs.100
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    9 .
    After allowing a discount of 12%, a trader made a profit of 10%. What profit percentage he would have got , if t here was no discount ?
    A.  22%
    B.  25%
    C.  21%
    D.  27%
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    10 .
    If the simple interest on a sum of money at 5% per annum for 3 years is Rs. 1200. The compound interest on the same sum for the same period at the same rate is
    A.  Rs.1261
    B.  Rs.1263
    C.  Rs.1265
    D.  Rs.1267
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