Subject Experts Solutions for Chapter: Ratio and Proportion, Exercise 1: Exercise 1

In a box containing $100$ bulbs, $35\mathrm{}$ are found defective. What is the ratio of defective to good bulbs.

The first, third and fourth terms of a proportion are $15,\mathrm{}150$ and $250$. What is the second term?

Weight of $300$ similar books is $14$ kg. What will be the weight of $75$ such books.

Veera purchased $24$ toffees for Rs. $192.$ How much Sheena has to pay for $16$ toffees.

Ratio of English books in a library to maths book is $2:5$. If the number of English book is $420$ find the number of maths books.

Cost of $15$ m cloth is Rs. $1200$. What is the cost of $3$ m cloth.

Arrange the given numbers in proportion:
$7,24,21,8$

Cost of one dozen pencil is Rs. $84$. How many pencils can be bought in Rs. $175$.