Number of Kannada books =28 Number of English books =72
We have to find the HCF of 28 and 72 by Euclid's lemma.
72=(28×2)+16
28=(16×1)+12
16=(12×1)+04
12=(4×3)+0
∴ HCF of 28 and 72=4 ∴ Each bundle contains 4 books.
No. of bundles of Kannada books =284=7, No. of bundles of English books =724=18