432 views

Find the wrong number in the sequence

$125,127,130,135,142,153,165$

1. $130$
2. $142$
3. $153$
4. $165$

Prime numbers $2, 3, 5, 7, 11, 13$ are to be added successively.

• $125+2=127$
• $127+3=130$
• $130+5=135$
• $135+7=142$
• $142+11=153$
• $153+12=165$ which is wrong.

correct form is $153+13=166.$

So option D is correct.

4.7k points

1 vote
1
279 views
1 vote