Prove that twice of ten is the same as twice of eleven.

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

When we see 2 but call 10?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

No matter how little or how much you use me, you change me every month. What am I?

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

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Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?