Before Mount Everest was discovered, what was the highest mountain in the world?

What goes up but never comes down?

who is silent in the parliament?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Can anyone tell me a word in the English dictionary which has a silent 'z'?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

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?

Can you solve below mathematical equation?

2^1234 - 2^1233