Find the number of squares in the below-given picture.

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

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

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

Can you solve below mathematical equation?

2^1234 - 2^1233

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?