16 men can reap a field in 30 days. In how many days will 20 men reap the field?
If Rs. 6,000 amounts to Rs. 7,200 in 4 years, then the rate of interest is
The supplement of right angle is always
x2- 12x + 36 is equal to
Area of a room is 400 sq. m. If the length of tile is 20 cms. and breadth is 10 cm., the number of tiles required is
A man sold a horse for Rs. 360 losing 4 % of the cost price. How much does he pay for the horse?
Coefficient of y in - 3xy + 5 is
The ratio of the number of male and female teachers in a school is found to be 2 : 3. If there are 20 male teachers, the number of female teachers are
Write the smallest whole number
Write the degree of the polynomial x2yz-3xy2-z2
The decimal notation of
Find the value of (-1)49(1)100
80x71= ............
Diameter of a circle is
The sides of two squares are in the ratio 3:4.The ratio of their areas is
There are 50 children in a village out of 450 people,the part of adult is
A ray of light falls on a plane mirror with an angle of incidence equal to 60°. The angle of reflection is