Exams

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?

The weights of 4 boxes are 20, 90, 40 and 60 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A piece of paper is folded and punched as shown in the figure. Indicate the figure how it looks when it is opened?

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

Calculate the value of ∡OBC + ∡BAC, if O is the circum-center of the triangle ABC inscribed in the circle.

The unit of power used in industry is

As per Economic survey 2017-18, the percentage contribution of the services sector to India's GDP will be in the range of