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1. The ratio between boys and girls in a school is 6 : 8 respectively. If the number of boys is increased by 200 the ratio becomes 7 : 8. How many girls are there in the school?

1600

1664

2000

1728

2. The monthly salary of Ram is ₹ 20,000. Which is ₹ 2000 less than the salary of Pawan. What is ratio between the salary of Ram and Pawan ?

9 : 11

11: 10

10: 11

9 : 10

3. The average of 6 quantities is 10 and the average of 4 of them is 8. What is the average of the remaining two ?

17

12

14

16

4. A right angle triangle having base 6.3 m and height equal to 10 m is rotated around the height. Find the volume of the cone thus formed.

415.8 m^{3}

426.8 m^{3}

419.65 m^{3}

417.8 m^{3}

5. If, after the payment of 3/4 of a loan ₹ 1000 still remains to be paid. What is whole amount of the loan?

₹ 4000

₹ 3500

₹ 3000

₹ 3800