In following number series, two terms have been put within brackets. Choose the appropriate option - 4 , 9 , 5 , 12 , 7 , 15 , 8 , x , 10.

B. 18

Choose analogous pair - Magazine : Periodical

C. PUN : JOKE

Complete analogous pair - Conscience : Wrong : : Police : ?

D. CRIME

Choose the correct alternative from the following : - Assertiona (A) : Food materials should not be soaked in water for a long time.
Reason (R) : Washing leads to loss of Vitamin A and Vitamin D from the foodstuff.

C. A IS TRUE BUT R IS FALSE.

Choose or find odd word - Tellurium , Francium , Strontium , Scandium

A. TELLURIUM