Question

What should come in place of the question mark (?) in the following series ?
0, 5, 18, 43, 84, 145 ?
(a) 220
(b) 240
(c) 260
(d) 280
(e) None of these

Answer 1

Hello !

Here is your answer !
____________________



Series : 0 , 5 , 18 , 43 , 84 , 145

Solution :

0 + 5 = 5

5 + 13 = 18 ...[ 13 - 5 = 8 ]

18 + 25 = 43 ...[ 25 - 13 = 12 ]

43 + 41 = 84 ...[ 41 - 25 = 16 ]

84 + 61 = 145 ...[ 61 - 41 = 20]

So..145 + 85 = 230 Answer

Because 61 + 24 = 85 and 145 + 85 = 230

Hope it helps!❤

Answer 2

0+5=5 
5+13 = 18
18+25= 43
25+41= 84
84+61= 145
145+85= 230

so e is the answer