Here’s a Whatsapp Numerical Riddle for those who like to play with numbers. You have to find the next number in the series. Let’s see who can crack this; 5 – 4 = 23 8 – 1 = 63 6 -16 = 32 9 – 9 = 78 3 – 9 = 6 3 – 81 = ? … Read more