Math Sight>Chapter 8 - Commercial Mathematics>EXERCISE 8.3

EXERCISE 8.3

Author:Jharne De & Ranjana Kumar

Jharne De Mathematics Solutions for EXERCISE 8.3

Simple step-by-step solutions to EXERCISE 8.3 questions of Commercial Mathematics from Math Sight. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISE 8.3 with Hints & Solutions

HARD

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>EXERCISE 8.3>Q 11

Find the whole quantity if $7.5 %$ of it is $15$ .

HARD

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>EXERCISE 8.3>Q 12

Divide $16$ toffees between Jai and Viru so that they get $25 %$ and $75 %$ respectively.

HARD

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>EXERCISE 8.3>Q 13

The price of an article is $₹ 1050$ . There is an increase of $12.5 %$ in the price. If the new price of that article is $₹ k$ , find $k$ in decimal number.

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>EXERCISE 8.3>Q 14

There are $16$ girls and $24$ boys in a class. Find the percentages of each in the class.

EASY

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>Test Paper 2>Q 3

If $15 %$ of a certain quantity is $225$ , find the whole quantity.

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>Test Paper 2>Q 4

If $7$ people can drink $10$ litres of juice in a day, how many litres of juice can $14$ people drink?

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>Test Paper 2>Q 10

In how many years will a sum of money triple itself at $10 %$ interest per annum?

MEDIUM

7th CBSE

IMPORTANT

Math Sight>Chapter 8 - Commercial Mathematics>Test Paper 2>Q 11

In how many years will a sum of money triple itself at $10 %$ interest per annum?