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TEST DATE : 11 SEP 2005
LOCATION : DELHI
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1. There are 100 balls in a box. 20 are blue, 20 are red, 20 are black, and 20 are white and 20 orange. Find the least no of ways to get the pair of balls.

2. There are 2p, 5p, 7p, 10p and 15p stamps are available. My mom told me to buy three stamps of 5 each and two stamps of 6 each. But I forget that. But my mom had given me the exact amount to buy the stamps Rs. 3.00. Please help me to buy the stamps.

3. In a circular bicycle race. There are 1/5^th of total racers are ahead of me and 5/6^th are behind me. Find the total no. of bicycle racers in the race.

4. There are tow trains. One from New York to Washington and second from Washington to New York. The total journey to a destination takes 5 hours.  A train from New York to Washington leaves on hour at every hour. The train from Washington to New York leaves an hour and on half an hour. How many trains will be passing if you are traveling from New York to Washington?

5. In a school there are fewer than 500 students. The 1/3 are the whole numbers. The 1/4^th and the 1/7^th are the whole numbers. Find the total number of students in the school.

6. A person on his bicycle walks 8km uphill and 24km Downhill he took 2hr30minutes to complete this. He started again without any stop now he took now 4hr50minutes. Find the average speed of the cyclist at UPHILL and DOWNHILL.

7. There is question on relations. Who is the brother, wife. (8 marks)

8. There is one more question on relations. (8 marks)

9. There are two mew systems developed for temperature A and B.  if A =14 the B=36, when A = 133 then B = 87. Find when both the temperature becomes equal.

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