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

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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?

Can you solve the maths in the below-given picture equation?

What does this rebus mean?

O
N
C
E
TIME

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Solve the puzzle by telling what does below picture means.

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Find the next number in the following series:
6, 14, 26, 98, __?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?