Get live Maths 1-on-1 Classs - Class 6 to 12
Ex 3.5, 1 (d) - Chapter 3 Class 6 Playing with Numbers
Last updated at March 16, 2023 by Teachoo
Ex 3.5
Ex 3.5, 1 (a)
Ex 3.5, 1 (b) Important
Ex 3.5, 1 (c) Important
Ex 3.5, 1 (d) You are here
Ex 3.5, 1 (e) Important
Ex 3.5, 1 (f)
Ex 3.5, 1 (g)
Ex 3.5, 1 (h) Important
Ex 3.5, 1 (i) Important
Ex 3.5, 2
Ex 3.5, 3 Important
Ex 3.5, 4
Ex 3.5, 5 Important
Ex 3.5, 6 Important
Ex 3.5, 7
Ex 3.5, 8 Important
Ex 3.5, 9
Ex 3.5, 10 Important
Ex 3.5, 11 Important
Ex 3.5, 12
Transcript
Ex 3.5, 1 Which of the following statements are true? (d) If a number is divisible by 9 and 10 both, then it must be divisible by 90.We know that If a number is divisible by two co-prime numbers, it is divisible their product Checking whether 9 & 10 are co-prime Factors of 9 are 1, 3, 9 Factors of 10 are 1, 2, 5, 10 Since common factor is 1 ∴ 9 & 10 are co-prime So, if a number divisible by 9 and 10 both, then it must be divisible by it product 90 as well ∴ True.
