Question

the HCF of two number is 11 and their LCM is 7700. if one of the number is 275, then find the other number.

Answer 1

Hi there !!

HCF = 11
LCM = 7700

One number = 275 
Unknown no: = x

we know that ,

Product of 2 no:s = HCF x LCM
275x = 11 x 7700
275x  = 84700
x  = 84700/275
x = 308

the other number is 308

Answer 2

we know, product of Hcf and lcm = product of numbers.
let the no. be x
11×7700=275×x
84700=257×x
now, 84700÷275= x
therefore, x= 308