Questions

Who discovered radioactivity?

The side of an equilateral triangle is 8 cm. Find its area (in cm2).

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. The rate of interest per annum is?

In the following question, correct the equation by interchanging two signs.

9 x 3 + 8 ÷ 4 – 7 = 28

Which cricket player recently became the 6th Indian to take 300 wickets in test cricket?

The credit for classifying the elements on the basis of their atomic masses goes to

Atomic mass of Nitrogen is 14 and that of Hydrogen is 1. What will be the molecular mass of Ammonia?