Jayashri Bhattacharya and Tarika Dhawan Solutions for Exercise 4: CHAPTER INNINGS

Compare the following ratios 

$12:17$and $15:105$

The cost of $40$ packets of pens having $12$ pens each is $\mathrm{₹}1680.$ Find the cost of $30$ packets, each containing $9$ pens.

A worker paid $₹167.50$ for $5$days. What should he be paid for the month of January which has $6$ holidays?

A train covers a distance of $300\mathrm{km}$ in $5\mathrm{hrs}$. Find the distance it covers in $12$ seconds.

If $100 \mathrm{g}$ of almonds costs $\mathrm{₹}72$ and $1 \mathrm{kg}$ of cashew nuts costs $\mathrm{₹}480$. Find the ratio of the cost of almonds to the cost of cashew nuts.

The ratio of the sale of flowers on Sunday to that of a whole week in a florist shop is $2:9$. If the total sale of the flowers in the same week amounts to $₹360,$ find the sale of the flowers on Sunday.

Rahul and Rithvik are brothers. Their mother decides to divide $3\mathrm{litres}$ $300\mathrm{ml}$ of chocolate milkshake in the ratio of their heights. If Rahul is $140\mathrm{cm}$ tall and Rithvik is $168\mathrm{cm}$ tall, find the quantity of milkshake each one will get.

The monthly salary of Ram, Shyam, Krishan is the ratio $2:3:5.$ If Krishan’s monthly salary is $₹1200$ more than that of Ram, then find Shyam’s annual salary?