1.  A and B together have Rs. 1210. If of A's amount is equal to of B's amount, how much amount does B have? 


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


3.  A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share? 


4.  Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats? 


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

