In the context of mine planning, match the following:

Two identical cube shaped dice each with faces numbered 1 to 6 are rolled simultaneously. The probability that an even number is rolled out on each dice is:

Four persons P, Q, R and S are to be seated in a row. R should not be seated at the second position from the left end of the row. The number of distinct seating arrangements possible is:

The author said, “Musicians rehearse before their concerts. Actors rehearse their roles before the opening of a new play. On the other hand, I find it strange that many public speakers think they can just walk on to the stage and start speaking. In my opinion, it is no less important for public speakers to rehearse their talks.” Based on the above passage, which one of the following is TRUE?

In an equilateral triangle PQR, side PQ is divided into four equal parts, side QR is divided into six equal parts and side PR is divided into eight equal parts. The length of each subdivided part in cm is an integer. The minimum area of the triangle PQR possible, in cm$^2$, is

Tricone roller bit is used with

Resuing method of mining is practiced for

John Thomas, an _____ writer, passed away in 2018.

____ I permitted him to leave, I wouldn’t have had any problem with him being absent, _____ I?

Out of the support categories given for an underground coal mine, identify the ‘active support’.