Which of the following is a carbonate ore?

A number when divided by 60 gives 35 as quotient and leaves 81 as remainder. What is the number?

Find the HCF of 81 and 675 using Euclid's Division Algorithm.

If n is positive even integer, then n(n + 1)(n + 2) is divisible by _______.&nbsp;

A number when divided by 3 leaves a remainder 5. What will be the remainder when 3n + 3 is divided by 3?&nbsp;

Which of the following is a carbonate ore?

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