Question

DO YOURSELF
Find the smallest square number which is divisible by each of the numbers 6, 9 and 15.
EXERCISE 3.2
Use Cordova Smart Class Software on the smart board in class to do Exercise.
1. What would be the possible ones digit of the square root of the following numbers?
(i) 6561
(ii) 24336
(iii) 16129
(iv) 160801
2. Without doing any calculation, find the numbers which cannot be perfect squares.
(i) 1267
(ii) 608
(iii) 1990
(iv) 16900
3. Find the square root of the following by repeated subtraction method.
(i) 144
(ii) 289
(iii) 169
4. Find the square root by prime factorisation method.
(i) 676
(ii) 1024
(iii) 27225
(iv) 7744
(v) 9604
(vi) 15625
(vii) 390625
(viii) 9801​

Answer 1

Answer:

1 is a third answer

Step-by-step explanation:

2 number is fourth answer