Question

find the greatest number that will divide 140; 170;155
leaving remainder 5 in each case ​

Answer 1

Step-by-step explanation:

Step-by-step explanation: Given: 140 , 170 , 155. To find: highest No which divides given numbers and leaves 5 as remainder.

Step 1: we subtract 5 from each number. 140 - 5 = 135. 170 - 5 = 165. 155 - 5 = 150.

Step 2: we find HCF (Highest Common Factor) of given number. 140 = 2 × 2 × 5 × 7. 165 = 5 × 3 × 11.

Answer 2

Answer:

15

Step-by-step explanation: