If 3 numbers in the ratio 3:2:5 be such that the sum of their squares is 1862, the middle number will be ?
The ratio of the ages of father and son is 7: 3, if the sum of their ages is 60 years , what is the differences in their ages ?
Three partners A, B , C invest Rs. 36,000, Rs.45,000 and Rs. 54,000 respectively in a business. Out of total profit of Rs. 37,500, C's share is ?
Arup and Govinda entered into a partnership investing Rs. 12,000 and Rs. 9000 respectively. After 3 months, Prakash joined them with an investment of Rs. 15,000 . What is the share of Prakash in a half yearly profit of Rs. 9500 ?
Manjit borrows Rs.300 at 5% and Rs.450 at 6% at the same time and on the conditions that the whole loan will be repaid when the total interest amounts Rs. 126. The loan will have to be repaid after how many years ?
How much should a person lend at simple rate of interest 15% in order to have Rs. 784 at the end of 1 Year 6 months (1 and half years) ?