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1. A batsman's average score for a number of innings was 21.75 per inning. In the next three innings he scored 28, 34, 37 runs and his average for all the innings was raised by 1.125. How many innings in all did he play?

30

33

36

40

2. The average earning of a labour for the first four days of a week is Rs. 18 and for the last four days is Rs. 22. If he earns Rs. 20 on the fourth day, his average earning for the whole week is

Rs. 18.95

Rs. 19.50

Rs. 20

Rs. 21

3. Two vessels contain spirit and water mixed respectively in the ratios 3 : 1 and 5 : 3. Find the ratio in which these are to be mixed to get a new mixture in which the ratio of spirit to water is 2 : 1.

1: 2

2: 3

3 : 5

2: 5

4. Rs. 800 is divided among A, B and C so that Rs. 50 more than 3/5 of A's share, Rs. 20 more than 4/9 of B's share, Rs. 40 more than 5/19 of C's share are equal. What is B's share?

Rs. 150

Rs. 270

Rs. 380

Rs. 420

5. A tradesman allows a discount of 15% on the marked price. How much above the cost price must he mark his goods to make a profit of 19%?

36%

40%

44%

48%