Question

Take any number. Now multiply it by 2, 3, 4 ............... at every step. Also, add 3 to it at each step. Look at the difference in the answer. Is it the same at every step?

Answer 1

Difference between 39 − 27 = 12

Difference between 51 − 39 = 12

Difference between 63 − 51 = 12

Difference between 75 − 63 = 12

Difference between 87 − 75 = 12

Difference between 99 − 87 = 12

Thus, the difference is same at all the steps.