Q. H.C.F of 42, 63 and 140 is ?
✅ Correct Answer: (D)
7
Explanation: H.C.F. of 42 and 63 is 21.
∵ H.C.F of 21 and 140 is 7
∴ H.C.F. of 42, 63 and 140 is 7
Explanation by: Radhika Singh
H.C.F. of 42 and 63 is 21.
∵ H.C.F of 21 and 140 is 7
∴ H.C.F. of 42, 63 and 140 is 7
∵ H.C.F of 21 and 140 is 7
∴ H.C.F. of 42, 63 and 140 is 7