The total area of 4 walls of a room is 120 m2 Its height is 2 metres If the floor in the form of a square, find the total cost of flooring at the rate of Rs 78 per m2 and painting the ceiling at the rate of 126 per m_2</sub

The difference between the circumference and radius of the Circle is 37 cms The area of the Circle is

Therefore, the area of the circle is 154 cm².

Find the Area of four walls of a room 13 m long and 8 m wide and 5 m high

Therefore, the area of four walls of a room is 210 m².

The Surface Area of a Cube is 864 sq cm Find its side

Therefore, the side of cube is 12cm.

Find the Surface Area of a Cuboid whose l = 3.5 m , b = 2 m , h = 75 cm

Therefore, the surface area of cuboid is . So, from the given options, there is no option as . Hence, answer is none of these.

A 5 m long, 3.5 m broad and 80 cm deep well is dug What is the volume of the earth taken out of it ?

Therefore, the volume of the earth = .

A particle is moving eastwards with a velocity of 5 ms^–1 in 10 seconds the velocity changes to 5 ms^–1 north-wards. The average acceleration in this time is

A car with a vertical wind shield moves along in a rain storm at speed of 40 km h^–1. The rain drops fall vertically with a terminal speed of 20m s^–1. The angle at which the rain drops strike the wind shield is

The resultant of the three vectors shown in figure.

Given that . And makes angle with and with . Which of the following relations is correct?

Resultant of the two vector is of magnitude P. If is reversed, then resultant is of magnitude Q. What is the value of P2 + Q2 ?

In the figure, equals

Two vectors A and B are such that A+B=C and A₂+B₂ = C₂. Which of the following statements is correct?

A particle is moving eastward with a velocity of 5 m/s. In 10 seconds, the velocity changes to 5 m/s northwards. The average acceleration in this time is

A truck travelling due north at 30 m/s turns west and travels at the same speed; then the change in velocity is

Two forces each numerically equal to 10 dynes are acting as shown in the following figure, then the resultant is