CUET General Test PYQs

Six bells ring at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. Once, when they start ringing simultaneously for the first time, then determine how many times they will ring together in a continuous span of 30 minutes?

If m and n are distinct natural numbers, then which of the following is/are integer(s)?

(A) $m/n + n/m$

(B) $mn(m/n+n/m)(m^2 + n^2)^{-1}$

(C) $mn/(m^2 + n^2)$

Choose the correct answer from the options given below:

Which one of the following is/are correct?

(A) Every irrational number is a real number.

(B) Every real number is an irrational number.

(C) The sum or difference of a rational number and an irrational number is an irrational number.

(D) The product or quotient of a non-zero rational number with an irrational number is an irrational number.

Choose the correct answer from the options given below: