S Purkayastha Solutions for Chapter: Summative Assessment – 2, Exercise 3: Summative Assessment - 2

Find the supplement of the following angle in degree $153°$

Can the given measures be the sides of a right triangle?

$3 cm, 4 cm, 5 cm$

Can the given measures be the sides of a right triangle?

$80 cm, 82 cm, 18 cm$

Can the given measures be the sides of a right triangle?

$16 cm, 17 cm, 18 cm$

The number of books sold per day at a bookseller shop during the month of June $2008$ is given below:

$46, 41, 45, 44, 42, 45, 50, 41, 45, 50, 46, 41, 45, 44, 42, 43, 50, 50, 42, 42, 44, 43, 43, 43, 50, 50, 43, 43, 42, 46$

Prepare a frequency distribution table.

The heights of five players are $153 cm, 140 cm, 148 cm, 150 cm and 154 cm$. Find the mean height of the players.

The heights of $25$ Children in $cm$ are given below:

$168, 165, 163, 160, 163, 161, 162, 164, 163, 162, 164, 163, 160, 163, 160, 165, 163, 162, 163, 164, 163, 160, 165, 163, 162$

Find the mode of their heights.

A coin is tossed $880$ times with the following frequencies. Head$=390$; Tail$=490$. Find the probabilities of each event.