In a school there are 26 teachers who teach mathematics or physics. Of these, 14 teach mathematics and 6 teach both physics and mathematics. How many teach physics ?

Which of the following correctly describes the most useful biasing conditions of the emitter-base and base-collector ju…

If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then what will come in place of t…

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operat…

A car engine generates a force of 10000 N to move the car 1.2 km in 2 minutes. What is the power of the engine?

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thu…

UDVA is related to CLDI in a certain way based on the English alphabetical order. In the same way, AJBG is related to I…

Which of the following forces does NOT conserve mechanical energy?