1..Two milk containers contains 398 l and 436 l of milk. The milk is to be transferred to another container with the help of a drum. While transferring to another container 7l and 11l of milk is left in both the containers respectively.What will be the maximum capacity of the drum.
2. Prove that the square of any positive integer is of the form 5q, 5q + 1, 5q + 4 for some integer, q.
3.Find HCF of 56, 96 and 324 by Euclid’s algorithm.