What four weights can be used to balance from 1 to 30 pounds?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
> Boiling
> View

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.