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1. The number of prime factors in

6^{333} × 7^{222} × 8^{111 }is

1211

1221

1222

1111

2. If 120 is 20% of a number, then 120% of that number will be

120

360

720

20

3. In a division sum, the divisor is 3 times the quotient and 6 times the remainder. If the remainder is 2, then the dividend is

28

50

48

36

4. Zinc and copper are in the ratio 5 : 3 in 400 gm of an alloy. How much of copper (in grams) should be added to make the ratio 5: 4?

200

66

72

5. The average age of A and B is 20 years. If A is to be replaced by C, the average would be 19 years. The average age of C and A is 21 years. The age of A, B and C in order (in years) are

22, 20, 18

18, 22, 20

18, 20,22

22, 18, 20