Question

Q-17 Find the HCF of 30 and 42.
Q-18 Find the difference between the greatest and the least number that can be written using the digits 7, 6, 2, 3, 4 each only once.
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Answer 1

Answer:

the HCF of 30 and 42 is six

Answer 2

Answer:

Q 17) The HCF of 30 and 42 is 6.

Step-by-step explanation:

See above attachment...

Answer:

Q 18) The difference between the greatest and the least number that can be written using the digits 7, 6, 2, 3, 4 each only once is 52965.

Step-by-step explanation:

Greatest Possible Number: 76432

Smallest Possible Number: 23467

76432 - 23467

= 52965

Hope it helps, buddy!!