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1. 2 men and 5 women can complete a piece of work in 12 days. 5 men and 2 women can complete the same workin 9 days. In how many days can 3 women complete the work alone.

36 days

21 days

30 days

42 days

2. The average weight of 35 students in a class is 35 kg. If the teacher is also included, the average increases by 1 kg. Find the weight of the teacher?

70 kg

71 kg

69 kg

42 kg

3. A bag contains rupees, fifty paise, twenty five paise and ten paise coins in the ratio of 1 : 3 : 5 : 7. If the total amount is Rs. 22.25. Find the number of coins of 1 rupee.

5

10

15

20

4. In the two alloys, the ratio of copper and zinc are 3: 4 and 5: 8 respectively. If 14 kg of first alloy and 26 kg of second alloy are mixed, then find the ratio of copper and zinc in the new alloy.

2 : 3

2:5

3 : 2

1: 3

5. The difference between simple and compound interest on a certain sum of money for three years @ 10% p.a. is Rs. 15.50. Find the sum.

400

500

600

450