O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Percentage and its Applications, Exercise 3: Exercise

Author:O P Malhotra, S K Gupta & Anubhuti Gangal

O P Malhotra Mathematics Solutions for Exercise - O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Percentage and its Applications, Exercise 3: Exercise

Attempt the free practice questions on Chapter 9: Percentage and its Applications, Exercise 3: Exercise with hints and solutions to strengthen your understanding. New Mathematics Today Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from O P Malhotra, S K Gupta and, Anubhuti Gangal Solutions for Chapter: Percentage and its Applications, Exercise 3: Exercise with Hints & Solutions

MEDIUM
7th ICSE
IMPORTANT

If the sum of money is k when decreased by 17% becomes 498, then find the value of k

MEDIUM
7th ICSE
IMPORTANT

Find the number when increased by  27% becomes 508.

MEDIUM
7th ICSE
IMPORTANT

The price of a washing machine has increased by 12%6 months back the price was 9600. Price now is a. Find the value of a.

MEDIUM
7th ICSE
IMPORTANT

The number of people working for a particular organisation increased by 15% during a year.Find number of people at the beginning of the Year if there were 230 at the end of the year.

MEDIUM
7th ICSE
IMPORTANT

A ream of paper which 2 years back cost 120, now costs 150. Find the percentage increase.

MEDIUM
7th ICSE
IMPORTANT

The weight of a plastic was 3.75 g, before heating and 3.50 g after heating. If the loss percent is k%, then the value of k is (Express your answer as an imprper fraction)

MEDIUM
7th ICSE
IMPORTANT

Find the error percent in taking the area of a rectangular park which is 50 m wide and 70 m long as 3800 m2.​

EASY
7th ICSE
IMPORTANT

An increase from 1 to 3 is what percent of increase.