Students can practice TS 6th Class Maths Solutions Chapter 3 Playing with Numbers Ex 3.3 to get the best methods of solving problems.
TS 6th Class Maths Solutions Chapter 3 Playing with Numbers Exercise 3.3
Question 1.
Write the missing numbers in the factor tree for 90.
(i.)
Answer:
(ii)
Answer:
Question 2.
Factorise 84 by division method.
Answer:
∴ 84 = 2 × 2 × 3 × 7 × 1
Question 3.
Write the greatest 4 digit number and express it in the form of it’s prime factors.
Answer:
The greatest 4 digit number is 9999
∴ 9999 = 3 × 3 × 11 × 101
Question 4.
I am the smallest number, having four different prime’ factors. Can you find me ?
Answer:
The smallest number, having four different prime factors is
2 × 3 × 5 × 7
(i.e.) 210.