3 7 29 7 47 29 9 ? ?

"Mary, in 1925, told her friend that her husband died in World War I" - Find the logical mistake in this sentence.

If you wrote all of the numbers from 300 to 400 on a piece of paper, how many times would you have written the number 3?

What is the four digit number in which the first digit is 1/3 rd the second, the third is the sum of the first and second and the last is three times the second?

If 9999 = 4, 8888 = 8, 1816 = 6, 1212 = 0, then 1919 =?


 If 1+9+8=1, what is 2+8+9?

27 ducks are marching to the pond. 5 lose their way, 13 return, and 9 of them make it to the pond. What happens to the rest of them?

Today my car meter reads as 72927 kms. I notes that this is a palindrome. How many minimum kms i need to travel so my car meter find another palindrome.

Which one of these letters is the odd one out?


The average age of 250 scholars in a college is 18 years. By admitting 150 new students the average is reduced to 17.5 years. Find the average age of the new scholars.

A chicken farmer also has some cows for a total of 30 animals, and the animals have 74 legs in all. How many chickens does the farmer have?