Who is the author of the book “A Little Book of

Select the number from the given options which can come in place of the question mark (?) in the following series. 

27, 29, 34, 44, 61, 87, ?

Study the given pattern carefully and select the number from among the given options that can replace the question mark (?) in it.

F is the brother of J. E is the sister of D. K is the sister of L. D is the son of L. J is the father of E. How is D related to F?

What will come in the place of the question mark (?) in the following equation, if '+' and 'x' are interchanged and '- ' and 

Which two signs should be interchanged to make the given equation correct?

36× 15 + 784 – 16 ÷ (45× 12) = 49

Read the following information carefully and answer the questions given below.

        A+B means A is the daughter of B.

LO15 is related to OR30 in a certain way. In the same way, SV25 is related to VY50. To which of the following is TW35 related, following the same logic?