ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions

ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions. We Provide Step by Step Answer of  Exe-4.3 Questions for Playing With Numbers as council prescribe guideline for upcoming board exam. Visit official Website CISCE for detail information about ICSE Board Class-6.

ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions

Board ICSE
Publications Avichal Publishig Company (APC)
Subject Maths
Class 6th
Chapter-4 Playing With Numbers
Writer ML Aggarwal
Book Name Understanding
Topics Solution of Exe-4.3 Questions
Edition 2023-2024

Playing With Numbers Exe-4.3

ML Aggarwal Class 6 ICSE Maths Solutions

Page-77

Question 1. Here are two different factor trees of the number 90. Write the missing numbers:

(i) …..

(ii) ….

Answer:

(i)

Playing With Numbers ML Aggarwal Solutions for ICSE Class-6 Mathematics Exercise - 4.3 img 1

Factor : 90 = 2 x 5 x 3 x 3

(ii)

Playing With Numbers ML Aggarwal Solutions for ICSE Class-6 Mathematics Exercise - 4.3 img 2

Factor : 90 = 5 x 3 x 3 x 2

Question 2. Find the prime factorization of the following numbers:

(i) 72
(ii) 172
(iii) 450
(iv) 980
(v) 8712
(vi) 13500

Answer:

(i) 72

Prime factorization of 72 = 2 x 2 x 2 x 3 x 3

(ii) 172

Prime factorization of 172 = 2 x 2 x 43

(iii) 450

Prime factorization of 450 = 2 x 3 x 3 x 5 x 5

(iv) 980

Prime factorization of 980 = 2 x 2 x 5 x 7 x 7

(v) 8712

Prime factorization of 8712 = 2 x 2 x 2 x 3 x 3 x 11 x 11

(vi) 13500

Prime factorization of 13500 = 2 x 2 x 3 x 3 x 3 x 5 x 5 x 5

Question 3 . Write the smallest and the greatest three digit numbers and express them as the product of prime.

Answer:

Smallest three digit number = 100

Playing With Numbers ML Aggarwal Solutions for ICSE Class-6 Mathematics Exercise - 4.3 img 3

so, 100 = 2 x 2 x 5 x 5

Greatest three digit numbers = 999

Playing With Numbers ML Aggarwal Solutions for ICSE Class-6 Mathematics Exercise - 4.3 img 4

so 999 = 3 x 3 x 3 x 37


Playing With Numbers Exe-4.3

ML Aggarwal Class 6 ICSE Maths Solutions

Page-78

Question 4. Write the smallest five digit number and express it in the form of its prime factors.

Answer:

Smallest five digit number is 10000

Playing With Numbers ML Aggarwal Solutions for ICSE Class-6 Mathematics Exercise - 4.3 img 5

so, 10000 = 2 x 2 x 2 x 2 x 5 x 5 x 5 x 5

Question 5. I am the smallest number, having four different prime factors. Can you find me?

Answer:

The smallest four different prime number are 2,3,5 and 7

So, the smallest number, having four different prime factors is 2 x 3 x 5 x 7 = 210

—  : End of ML Aggarwal Playing With Numbers Exe-4.3 Class 6 ICSE Maths Solutions :–

Return to   ML Aggarwal Maths Solutions for ICSE Class -6

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