What can you deduce from the following BrainBat?

CRY
LMKI

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Why 1729 is a magic number? Answer Logically.

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

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?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I have Rs.50 and I spend it in the way as below.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

I am sure no one can have two things for dinner. what are they?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?