- class 9 important question annual paper
https://www.teachoo.com/subjects/cbse-maths/class-10th/ch11-10th-constructions/
Find tthe volume of the right circular cone (i)radius 6cm height 7cm (ii) radius 3.5cm height 12cm
From a lot of 20 bulbs which include 5 defectives a sample is drawn at random,one by one with replacement .find the probability distribution of the number of defective bulbs. Also find the mean of the distribution .
Find the shortest distance between the following pair of lines. r¯=(i¯+2j¯+k¯)+λ(2i¯−j¯+3k¯) & r¯=(i¯−3j¯−k¯)+μ(3i¯+2j^−5k¯).