What is the total CSA of cone whose radius is 3 cm and height is 4 cm? 

The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

Between which two years is the rate of decrement in vacancies is maximum?

The value of $$ {(sec^{2}θ+tanθ\cotθ-tan^{2}θ)}$$

The monthly income of Shagun and Komal together is Rs.28000. The income of Shagun and Komal is increased by 25% and 12.5% respectively. The new income of Komal becomes 120% of the new salary of Shagun. What is the new income of Shagun?

Direction: Read the following graph carefully and answer the following questions:
The following bar graph shows the quantity(in kg) of wheat, rice, pulses and salts sold by two companies P and Q in the month of January.

The quantity(in kg) of wheat, rice, pulses and salts sold by two companies P and Q together in the month of February is 12.5% more than the total quantities sold by two companies P and Q together in the month of January. Find the total quantities of all the four items sold in the month of February.

A borrowed Rs.1500 at 4% per annum and Rs.1400 at 5% per annum for the same period. He paid Rs.390 as total interest. Find the time for which he borrowed the sum.

A can do a work alone in 30 days. He left after doing half the work. If B alone can complete the entire work in 16 days, then how many days will B take to complete the remaining work?

What value will come in place of question mark (?) in the questions given below?

837 ÷ ? × 0.8 = 9.3