Directions (1-5): Study the following graph carefully and answer the questions given below:
1.A and B undertook to do a piece of work for Rs. 4500. A alone could do it in 8 days and B alone in 12 days. With the assistance of C,they finished the work in 4 days. C’s share of money is ? (2)
(1) Rs. 375 (2) Rs. 750 (3)Rs. 1500 (4) Rs. 2250 (5) none of these
2.Four milkmen rented a pasture. A grazed 18 cows for 4 months, B 25 cows for 2 months, C 28 cows for 5 months and D 21 cows for 3 months. If A’s share of rent is Rs. 360, the total rent of the field is? (3)
(1) Rs. 1500 (2) Rs. 1600 (3)Rs. 1625 (4) Rs. 1650 (5) none of these
3.The circumference of a circular garden is 1012 m. Outside the garden, a road of 3.5 m width runs round it. Find the cost of gravelling it at the rate of 50 paise per sq. m.? (1)
(1) 1790.25 (2) 1690.25 (3)1890.25 (4) 1590.25 (5) none of these
4.In an examination, a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 moremarks for his History paper, his average per paper would have been 65. How many papers were there in the examination? (4)
(1) 8 (2) 9 (3)10 (4) 11 (5) None of these
5.In a lab, two bottles contain mixture of spirit and water in the ratio 2 : 5 in the first bottle and 7 : 3 in the second. The ratio in which the contents of these two bottles be mixed such that the new mixture has spirit and water in the ratio (2)
2 : 3 is?
(1) 31 : 13 (2)21 : 8 (3)1 : 2 (4) 9 : 8 (5) 21 : 5