From 2008 to 2009, the sales of a book decreased by 80%. If the sales in 2010 were the same as in 2008, by what percent did it increase from 2009 to 2010?

If 'Birds' is related to 'Fly', then 'Sharks' is related to

Sailu's mother is the daughter of Kalyan's sister. How is Kalyan's mother related to Sailu's mother?

A set is given, (B2, A1, F6, H8), such that its elements share a common property. Which of the given options does NOT have this property?

In a certain code, PENCIL is coded as NEPLIC. What will be the code of the word BASKET?

In a certain code, OUNC is coded as PWQG. What will be the code of the word FAST?

The missing term in the series 6, 14, 30, __, 126, 254 is

Two students appeared for an examination. One of them secured 20 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are :