Select the related word/letters/number from the given alternatives.
JK : TV : : OP : ?
1). DF
2). WV
3). ST
4). QR
If a + b = 9 and $a^{2} + b^{2} = 61$, then value of ab is
1). 20
2). 10
3). 81
4). 142
A sum fetched a total simple interest of Rs. 9648 at the rate of 12% per year in 6 years. What is the sum?
1). Rs 16080
2). Rs 10720
3). Rs 8040
4). Rs 13400
Select the related word/letters/number from the given alternatives.
Exactly : Precisely :: Evidently : ?
1). Happily
2). Distinctly
3). Apparently
4). Hesitatingly
Spiders belong to which class of animals?
1). Arachnids
2). Aves
3). Gastropods
4). Anthozoa