Exams

What is the sum of the first 11 terms of an arithmetic progression if the 4th term is 11 and the 7th term is -4?

What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?

How are elements arranged in the Modern Periodic Table?

Which of the following metals is found in free state?

The number of letters that are preceded by a symbol but not followed by a number in the given expression is ___.

SM@A#N2B4O&3C5P+D2

3 years ago, the ratio of Maya's and Shikha's age was 5:9respectively. After 5 years, this ratio would become 3:5. Find present age of Maya?

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.