Question

9. Test the divisio
(1) 5790
(1) 4334
(iv) 137269
(ii) 63215
10. Test the divisibility of the following number
(ii) 83721
(v) 901351
1. In each of the following numbers, replace
(1) 27*4
(ii) 53*46
(iv) 62*35
(v) 234*17
In each of the following numbers, replace
(i) 65*5
(ii) 2*135
(iv) 91*67
(v) 6678*1
*​

Answer 1

Given= 9. Test the divisibility

(1) 5790

(1) 4334

(iv) 137269

(ii) 63215

Solution⬇️

5790⬇️

Number at ones place is 0

• 5790 is divisible by 10

4334⬇️

Sum of digit at odd place= 4+3=7

Sum of digit at even place= 3+4=7

Difference= 7-7=0

• 4334 is divisible by 11

137269⬇️

Sum of digits at odd place= 9+2+3=14

Sum of digits at even place= 6+7+1

Difference= 14-14= 0

137269 is divisible by 11

63215⬇️

Number at ones place is not 0.

• 63215 is not divisible by 10