For the following questions answer them individually
A man can row 6 km/h in still water. If the speed of the current is 2 km/h, it takes 3 hours more in upstream than in the downstream for the same distance. The distance is
A student goes to school at the rate of 2.5 km/h and reaches 6 minutes late. If he travels at the speed of 3 km/h. he is 10 minutes early. The distance (in km) between the school and his house is
A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to four times itself ?
The simple interest on a sum for 5 years is one fourth of the sum. The rate of interest per annum is
The difference between the compound interest and simple interest on 10,000 for 2 years is 25. The rate of interest per annum is
The following graph shows the demand and production of cotton by 5 companies A, B, C, D and E. Study the graph and answer questions BAR DIG
What is the ratio of companies having more demand than production to those having more production than demand?
What is the difference (in tonnes) between average demand and average production of the five companies taken together?