Euclid’s Division Algorithm

A milk man has 175 litres of cow’s milk and 105 litres of buffalow’s milk. He wishes to sell the milk by filling the two types of milk in cans of equal capacity. Calculate the following :

Number of cans of buffalow’s milk

Use Euclid’s Division Algorithm to find the Highest Common Factor (H.C.F) of 84, 90 and 120

Use Euclid’s Division Algorithm to find the Highest Common Factor (H.C.F) of 867 and 255

Find the largest number which divides 1230 and 1926 leaving remainder 12 in each case

The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is

Write the numbers from 1 to 50. From that find the following.

All square numbers upto 50

Write the numbers from 1 to 50. From that find the following.

The numbers which are neither divisible by 2 nor 7

Consider the Postal Index Number (PIN) written on the letters as follows:
604506; 604516; 604560; 604506; 604516; 604516; 604560; 604516; 604505; 604470; 604515; 604520; 604303; 604509; 604470.
How the letters can be sorted as per Postal Index Numbers?