Select the minimum number of colours that are sufficient for colouring the areas of
the accompanying image such that there would not be same colour on the two sides
of any curve.

If A : B = 2:3, B:C = 5:4, then the ratio of A:B:C is

Which of the following number is divisible by 9

In a certain code word ACEG is written as 16 and DFGH is written as 25 then how can be written HIKM

Choose the correct option to complete the alphabet letter series.

AB_B, BC_C, _ AB _ AB _ B

Choose the correct option to complete the alphabet letter series

_ABA_CABC_DCBA_BAB_A