Exams

If 2x + 3 = 9 then find the value of 3x + 2

A shopkeeper purchased a pen drive of marked price Rs. 1000 at successive discounts of 10% & 15% respectively. He spent Rs. 35 on packaging and sold it on Rs. 1000. Calculate the Gain percent.

Which of the following is a correct pair according to increasing atomic number from left to right?

A pilot in an aeroplane at an altitude of 200 m observes two points lying on either side of a river. If the angles of depression of the two points be 45° and 60°, then the width of the river is

Two circles touch each other externally. The distance between their centres is 7 cm. If the radius of one circle is 4 cm, then the radius of the other circle will be

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

Find the maximum area of a rectangle field which is surrounded by a rope of 400 m.

As of February 2018, who is the coach of Rio Olympics silver medal winner PV Sindhu?