Question
Determine the mean proportion of 40 and 19.6
Solution
Mean proportion of two numbers 'a' and 'b' = √(a X b)
Mean proportion of 40 and 19.6 = 
= √784 = 28
A and B entered into a business investing Rs. (x + 70) and Rs. (x – 50) respectively. After one year they invested Rs. 60 more and Rs. 120 more re...
If the ratio of time periods of investment of A and B is 2:5, profit at the end of the year is Rs.140000 and A’s share in it is Rs.40000, then what is...
P and Q invested Rs.20000 and Rs.15000. After 6 months R joined with Rs.18000. Three months later P withdrew Rs.4000 and Q withdrew Rs.2000. Total yearl...
R and S invested Rs.30000 and Rs.24000. After 2 months T joined with Rs.26000. After 4 months of T’s joining, R withdrew Rs.6000 and S withdrew Rs.400...
A business was started by A, B, and C. A’s investment was 20% more than C’s, and B’s was 80% more than C’s. If the total profit after a year is ...
A invests Rs. 60,000 in a business, and B invests Rs. 80,000. After 6 months, C joins with an investment of Rs. P. At the end of the year, the total pro...
Three partners, X, Y, and Z, invest Rs 24,000, Rs 30,000, and Rs 36,000 respectively in a business. The total profit after one year is Rs 48,000. If par...
Two partners Aradhya and shivangi opened an electronic shop with the capital of Rs. 14000 and Rs. 98000 respectively. In what ratio the profit will be ...
- P and Q started a business by investing Rs. 2500 and Rs. 4000 respectively. After 12 months, P increased his capital by 40% and Q decreased his capital by ...
Chintu and Jimmy started a business by investing Rs.(3a - 200) and Rs.(4a - 400) respectively. Chintu invests his amount for 8 months whereas Jimmy inve...
