1.The square root of 0.09 is (1)
(a) 0. 30
(b) 0.03
(c) 0.81
(d) 0.081
2. If the ratio of cost price and selling price of an article be as 10 : 11 the percentage of profit is (2)
(a) 8
(b) 10
(c) 11
(d) 15
3.12 men construct 1.5 km of road in 7 days. 28 men will construct 12 km of roads in (2)
(a) 20 days
(b) 24 days
(c) 28 days
(d) 38 days
4.A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in (3)
(a) 15 days
(b) 20 days
(c) 25 days
(d) 30 days
5.A can do a piece of work in 6 days. B can do the same work in 12 days. How long would both of them take to do the same work? (2)
(a) 2 days
(b) 4 days
(c) 6 days
(d) 8 days