200% of 200 is 

A rectangular plot measuring 90 metres × 50 metres is to be enclosed by wire fencing. If thepoles of the fence are kept 5 metres apart, then how many poles will be needed? 

5 hens lay eggs everyday for 5 days to the total 250 number of eggs. Then the number ofeggs laid by the 10 hens in 10 days is 

The amount on compound interest of 100 for 2 years at the rate of 10% per annum is

Find the value of $$\frac{2}{3} - \left(-\frac{1}{3}\right) + \left(-2\frac{2}{9}\right)$$​​

A and B started a partnership business investing Rs 10,000 and Rs 6400 respectively. After 5 months, A withdrew Rs 3,000 and B added 600 to their investment. Being active partner, B gets 10% of the annual profit as salary. If the profit at the end of one year is 16,000, the share of profit of B will be

In how many years will a sum of money be doubled itself at a simple interest of 10% p.a.?

The base and height of a parallelogram are 5 cm and 3 cm respectively. Find the area of the parallelogram.

What is the minimum number to be added to 1289 so that it becomes a perfect square?

What is the distance between the x-axis and the line y+2 = 0?

Which of the following cannot be the measures of three sides of a triangle?