In following number series, two terms have been put within brackets. Choose the appropriate option - 1, ?, 5, 10, 20, 40, 80

D. 4

Choose or find odd number pair - (15 - 46) , (12 - 37) , (9 - 28) , (8 - 33)

D. 8 - 33

Choose or find odd word - Teacher , Principal , Student , Lecturer

C. STUDENT

(A). P, Q, R, S and T are sitting in a circle facing the centre.
(B). R is immediate left of T.
(C). P is between S and T. To find the answer to the above question, which of the following statements can be dispensed with ?

A. NONE

If the numbers from 5 to 85 which are exactly divisible by 5 are arranged in descending order, which would come at the eleventh place from the bottom ?

E. NONE OF THESE