In the following table, the number of officers and clerks working in five different departments of an office is given. Read the table carefully and answer the questions given below it. Department Officer Clerk
What is the difference between the total number of officers and clerks taking all the departments together ?
The respective ratio betWeen the number of officers in department C and that of clerks in department B is
By what percent is the number of officers more than that of clerks taking all the departments together ?
For the following questions answer them individually
A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water ?
Two persons A and B start a business with investments of Rs. 24000 and Rs.28000 respectively. After 4 months C also joined them with certain investment. Total profit at the end of the year was Rs. 19950. C’s share in profit was Rs. 7600. What was the C’s investment in the business ?
A car starts at 11 am from point A towards point B at 36 kmph while another car starts at 1 pm from point B towards A at 44 kmph. They cover a distance of 592 km till meeting. At what time will they meet each other ?
The ratio of present ages of P and Q is 8 : 5. After 4 years their ages will be in the ratio 4 : 3 respectively. What will be the ratio of P’s age after 7 years from now and Q’s age now?
A vessel contains 64 litres of mixture of milk and water in the ratio 7 : 3 respectively. 8 litres of mixture is replaced by 8 litres of milk. What is the ratio of milk and water in the resulting mixture ?
The average weight of boys in a class is 45 kg while that of girls is 36 kg. The average weight of the whole class is 42.25 kg. What is the respective ratio between the number of boys and girls in the class ?
A person invested equal amounts in two schemes A and B at the same rate of interest. Scheme A offers simple interest while scheme B offers compound interest. After two years he got Rs. 1920 from scheme A as interest and Rs. 2112 from scheme B. If the rate of interest is increased by 4%, what will be the total interest after two years from both schemes?