A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
(i)  A weights twice as much as B.
(ii)  B weights four and a half times as much as C.
(iii)  C weights half as much as D.
(iv)  D weights half as much as E.
(v)  E weights less than A but more than C. Which of the above given statements is not necessary to determine the correct order of articles according to their weights ?

E. 5

In following number series, either one term is missing or is incorrect. Choose correct answer from options - Choose correct answer from options 1, 2, 5, 10, 17, 28

B. 28

Choose or find odd number pair - (48 - 134) , (40 - 110) , (18 - 48) , (30 - 80)

C. 18 - 48

Series : 5  1  4  7  3  9  8  5  7  2  6  3  1  5  8  6  3  8  5  2  2  4  3  4  9  6
How many even numbers are there in the sequence which are immediately preceded by an odd number but immediately followed by an even number ?

C. 3

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. - 3F, 6G, 11I, 18L, ?

C. 27P