If 9 $ 4 = 17 and 1 $ 5 = 10, then 3 $ 6 = ?

If ‘A’ means ‘+’, ‘B’ means ‘–’, ‘C’ means ‘×’ and ‘D’ means ‘÷’, then which of the following equation is true?

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

   4) None

If a mirror is placed on the line AB, then which of the answer figures is the right image of the given figure?

Which answer figure will complete the pattern in the question figure?

From the given answer figures, select the one in which the question figure is hidden/embedded.

Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?