1 .

In how many ways can the 12 delegates sit in a round table conference so that 2 particular delegates are always sit together ?

A.  10!
B.  1212!
C.  10!2!
D.  12!
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2 .

If one card is drawn from a pack of cards, what is the probability that it is a diamond ?

A.  1/2
B.  1/4
C.  2/13
D.  1/13
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3 .

Two trains A and B start from Delhi and Kolkata towards Kolkata and Delhi respectively. After passing each other, they take 10 hours and 2 hours 30 minutes respectively to reach their destinations. If Train A is moving at the speed of 37.5 kmh", what is the speed of Train B ?

A.  150 kmh1
B.  75 kmh1
C.  64 kmh1
D.  48 kmh1
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4 .

A train travelling at 32 kmh"1 leaves from Delhi at 7am, and another train travelling at the speed of 40 kmh- 1 starts at 3pm in the same direction. How many km from Delhi will they meet ?

A.  360 km
B.  720 km
C.  1280 km
D.  1800 km
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5 .

At a certain rate of simple Interest Rs 600 amounted to Rs 750 in 3 years. If the rate of interest be increased by 4%, what will be the amount after 3 years ?

A.  Rs 812
B.  Rs 818
C.  Rs 820
D.  Rs 822