V K Raman and S N Sharma Solutions for Exercise 1: EXERCISE

What is the average of the fractions?

$1\frac{1}{4}, 2\frac{1}{2}, 4\frac{1}{6} \mathrm{and} \frac{1}{12}$

The weight of five puppy dogs were $900 g$$, 2.3 kg, 2.5 kg, 2.7 kg$and $3.6 kg.$ Find the mean weight in kg.

In a season, a cricket player scored $11, 32, 63, 18, 41, 38, 24 \mathrm{and} 53$ runs. Find the total runs scored and the average for the season.

The average rainfall for $6$ days of a week was $2.1$ mm. After the $7$th day the average become $2.2$ mm. Find the quantity of rainfall on the $7$th day.

The mean weight of $29$ pupils in a class was $28.4 \mathrm{kg}$. When a new pupil was admitted, the mean become $28.5 \mathrm{kg}$. If the weight of the new pupil admitted is $p \mathrm{kg}$, then find the value of $p$.

The mean height of $32$ boys in a class was $135 cm$. When two boys left, the mean become $136 cm$. Find the combined height of the two boys who left.

The average daily temperature for the first $20$ days of a month was $27.5°C.$ The average daily temperature for the next $10$ days was $29°C$. Find the average daily temperature for the month.

The average weight of $25$ fish in an aquarium was $70 \mathrm{g}.$ $10$ fish with average weight $85 \mathrm{g}$ were transferred to another aquarium. What would be the average weight of the leftover fish?