How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

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!

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What is the next shape from answers A, B, C, and D figure?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

What is the next number in this series?

4,12,84,3612....

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?