Online Shiksha

By Savita S. More

Class 6 Maths Periodical Test September 2021

Last updated on October 21st, 2021 at 08:55 pm

Solution :

  • Factor of 20 are – 1,2,4,5,10,20
  • Factor of 25 are – 1,5,25
  • Common factors are 1 and 5

(3) Write first three common multiples of 3 and 5. (2)

Solution:

  • Multiples of 3 are – 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45
  • Multiples of 5 are – 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75
  • Common multiples are – 15 , 30 and 45

M603.2 Finds L.C.M and solves practical problems related to it.

Q – 4 Do as directed.

Find L.C.M of 40 and 60. (2)

Find L.C.M of 40 and 60.

LCM of 40 and 60 is 120

 

Which smallest 3-digit number is divisible by 12, 18 and 24? (3)

12 – 12 , 24 ,36 , 48 ,60,72,84,96,108,120,132,144,156

18 – 18 ,36 ,54 ,72 ,90 ,108 ,126 ,144 ,162 ,180

24 – 24 ,48 ,72 ,96 ,120 ,144 ,168

Smallest 3 Digit number is 144

Correct Answer –

1 – D Triangle

2 – B – A

Correct Answer –

3 – A [X]

4 – B [ B and C]

5 – C  [.P]

 

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

online-shiksha © 2023 Frontier Theme