Std-10 Most Imp Ch 15 Gseb L-20

Find the nth term of the A.P. -10, -15, -20, -25 …………..

The sixth class interval for a grouped data whose first two class intervals are 10 - 15 and 15 – 20 is _______.

LCM of 10, 15 and 20 is

A small stone is dropped from top of a long tower.The ratio of distance travelled by the particle between t=5 s to t=10s and t=15s to t=20s is ?

Marks scored by 100 students in a 25 marks unit test of Mathematics is given below. Their median is Marks 5-10 10-15 15-20 20-25 Students 10,18,42,23

Find the mean and median of the data is 10 , 15 , 17 , 19 , 20 and 21 .

A polyhedron can have 10 faces, 20 edges and 15 vertices.

The fourth class interval for a grouped data whose first and second class intervals are 10 -15 and 15 -20 respectively is _________