Q11 Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

Q12 In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:

Q13 If Rs. 782 be divided into three parts, proportional to 1/2 :2/3 :3/4 , then the first part is:

Q14 5600 is to be divided into A, B, C, and D in such a way that the ratio of share of A: B is 1: 2, B: C is 3: 1, and C: D is 2: 3. Find the sum of (A and C) and (B and C).

Q15 By selling 6 oranges for Rs. 100 a man loses 20% , how many oranges should he sell for Rs100 to gain 20%?