Question

if series 2,6,18, 4,20,100,?,21,147 find the missing number​

Answer 1

$\huge\sf{Answer:-}$

✯Very esay we get the answer first step multiply first two numbers and finally add the sencond number with it.✯

Calculation!

$\sf 2 x \: 6 + 6 = 18 \\ \sf 4 \: x 20 + 20 = 100 \\ \sf 6 \: x 21 + 21 = 147$

2 , 6 , 18 , 4 , 20 , 100 , 6 , 21 , 147

Therefore , the missing number is 6

Answer 2

Answer:

2×6+6=18

4×20+20=100

6×21+21=147

so the missing no is 6