Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Using Only Five 5's and any mathematical operator make sum as 37

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

What do you call a fish without an eye?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Can you identify the Oscar-winning movie from the rebus below?