Question

find the greatest number which devides 75,150,200 leaving the remainder 5 in each case

Answer 1

75-15
150- 30
200-40
Hope it helps

Answer 2

First subtract 5 from each no.
75-5=70
150-5=145
200-5=195

Then find the HCF of 70,145,195

First find HCF of 70and145
145=70×2+5
70=5×14+0
As 5 is the HCF, then find the HCF of 5 and 195
195=5×39+0
Hence the greatest no. is 195.

Hope it helps...