An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

What is the centre of gravity?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Which wheel of car does not rotate when you turn your car right?

What's a single-digit number with no value?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Which digit occurred maximum times between the number 1 and 1000?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?