Which is faster, Heat or Cold ? Explain.

Can you find a five letter word that is left with only two letters if one is removed?

what does this below rebus represent identXQQQQQME

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Count the number of triangles in the picture below:

A tourist visits a small town for his research. While in the town, he decides to get a haircut. Since the town is quite small, there are only two barbers in the town � one on the North Street and one on the South Street. The barbershop on the North Street is a mess and the barber has a weird and pathetic haircut. While the barbershop at the South Street is pretty tidy and the barber as well has an impressive haircut.

Which barbershop will the tourist visit for his haircut and why?

Find the next number in the series below

21 32 54 87 131 ?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?