Unitary Method Class-7th RS Aggarwal ICSE Maths Goyal Brothers

Unitary Method Class-7th RS Aggarwal ICSE Maths Goyal Brothers Prakashan Chapter-8 Solutions. We provide step by step Solutions of Exercise / lesson-8 Unitary Method for ICSE Class-7 RS Aggarwal Mathematics .

Our Solutions contain all type Questions with Exe-8 A, Exe-8 B (MCQ), Mental Maths to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-7 Mathematics.

Board	ICSE
Publications	Goyal brothers Prakshan
Subject	Maths
Class	7th
Chapter-8	Unitary Method
Writer	RS Aggrawal
Book Name	Foundation
Topics	Solution of Exe-8 A, Exe-8 B (MCQ), Mental Maths
Academic Session	2021-2022

Unitary Method Class-7th RS Aggarwal ICSE Maths Goyal Brothers Prakashan Chapter-8 Solutions

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-: Select Topic :-

 EXE-8 A,

MCQ EXE-8 B,

MENTAL MATHS

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What is Unitary Method?

The unitary method is a method in which you find the value of a unit and then the value of a required number of units. What can units and values be?

For simplification, always write the things to be found on the right-hand side and things known on the left-hand side. In the above problem, we know the amount of the number of apples and the value of the apples is unknown. It should be noted that the concept of ratio and proportion is used for problems related to this method

Applications of Unitary Method

The unitary method finds its practical application everywhere ranging from problems of speed, distance, time to problems related to calculating the cost of materials.

Speed Distance Time

Time and Work

Ratio and proportion

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Exercise – 8 A, Unitary Method Class-7th RS Aggarwal ICSE Maths Goyal Brothers Prakashan

Page 112

Question 1 

12 bag of rice having equal weights 174 kg how much will 20 such bag weight?

Answer-1

weight of 12 bag = 174 kg

weight of 1 bag =174/12

weight of 20 bag = ( 174 /12 )  20

weight of 20 bag = 290 Rs

Question-2

8 kg …………..tomatoes

Answer-2

cost of 8 kg tomato = Rs 84

cost of 1 kg tomato = Rs 84 / 8

cost of 14 kg tomato = Rs ( 84 * 14 ) / 8

= 147 Rs

Question-3

16 meter ………………clothes

Answer-3

cost of 16 M .clothes = Rs 2200

cost of 1 M .clothes = Rs 2200 / 16

cost of 6 M .clothes = Rs ( 2200  * 6 )/ 16

= 825 Rs

 

Question-4

if 8.5m ……………………….  same rod.

Question 5 to Question 7

5- cost of 6 purses …………..for 604.

Question 8 to Question 10

8- a journey of 124 ……………………cost.

Question 11 and Question 14

11-if a man …………….11.2 km.

Question 15 and Question 16

15- In an army camp ……………last.

 

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Goyal Brothers Prakashan Unitary Method Class-7th RS Aggarwal ICSE Maths Exercise – 8 B MCQ

Page 112

choose the correct option in each of the following

Question 1 and Question 2

1- If 15 men ………………. same ground.

Question 3 and Question 4

3- in a map…………………on the map

Question 5

if 16 buffaloes ………………91 cow.

 

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Mental Maths, Goyal Brothers Prakashan ICSE Class-7 Maths Chapter-8 Solutions

Page 113

Question 1

fill in the blanks………….

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………….

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Answer

 

 

Question 2

write true (T) or False (F)

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……………

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Answer

–: End of Unitary Method Class-7th RS Aggarwal Solutions :–

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