Question

Identify the term that will replace the ?

$11,13,17,19,23,25,?$

• A. $26$
• B. $27$
• C. $29$
• D. $37$

Answer 1

Answer: (C)

$29$

Second number is First number $+2$
Third number is Second Number $+4$
Fourth number is Third number $+2$
Fifth number is fourth number $+4$
and Sixth number is again Fifth number $+2$
So Seventh number should be Sixth number $+4$, i.e $25+4=29$