Question

Arrange the following three stars from hottest to coolest.

Star P = type B
Star Q = type K
Star R = type F

P, Q, R
R, Q, P
P, R, Q
Q, R, P

Answer 1

Answer: P, R, Q

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Answer 2

Stars can be classified according to size, distance and temperature. There are different types of stars according to temperature. O is considered the hottest while M is the coolest.  The correct answer of the question is P (type B is the 2nd hottest) , R (F is 4th in hottest) and Q (type K is second coolest).