# The HCF of two numbers is 21 and their LCM is 221 times the HCF. If on

| The HCF of two numbers is 21 and their LCM is 221 times the HCF. If one of the numbers lies between 200 and 300, then the sum of the digits of the other number is :

A. 14

B. 18

C. 17

D. 15

### Right Answer is: D

#### SOLUTION

Let two no. are and .

HCF. = 21

Then, ( are co-prime)

A.T.Q.

A.T.Q.

Sum of digits = 3 + 5 + 7 = 15

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The HCF of two numbers is 21 and their LCM is 221 times the HCF. If on