Answer / divya

Here v r having 2 series
3,13,33
and
6 26 66
13-3=10
33-13=20
so the next num vll be
x-33=30
x=63
V can say this ans right by considering the sec series also
3,13,33,63 ending didit should b 3

Answer / rajendra rawat

3
3*2=6
6+7=13
13*2=26
26+7=33
33*2=66
66+7=73
SO ANSWER IS 73

Answer / barath

separate the series in to 2 parts ..ie
3,13,33
then 2nd sequence will be
6,26,66
the diff btwn no.s in the 1st sequence is 10,20, and so on
diff in 2nd sequence is 20,40, and so on
next no. will be 33+30=63
ans is 63

Answer / saikrishna

MULTIPLY BY 2 AND ADDITION 7 ALTERNATELY......ANSWER IS 73
3*2= 6
6+7= 13
13*2= 26
26+7= 33
33*2= 66
66+7= 73

Answer / cnu

3,6,13,26,33,66,____
here we have two series 3,13,33--eq1 and 6,26,66--eq2
by observing both series 1st series is doubled to get second one
eq1)3,13,33 eq2)6,26,66
3+2(pw0)*10=13 6+2(pw1)*10=26
13+2(pw1)*10=33 26+2(pw2)*10=66
33+2(pw2)*10=73 66+2(pw3)*10=146

3,6,13,26,33,66,73,146

Answer / ramir v. agustin

3+10=13
6+20=26
13+20=33
26+40=66
33+40=73
66+80=146
3,6,13,26,33,66,73,146

Answer / aadi

3+10=13,13+20=33,33+40=73 so ans is 73

Answer / cbsrinivas

i think the next is 71
here we have 3,6,13,26,33,66 ok
1st 3+3=6
2nd is 6+7=13
13+13=26(following same order)
26+7=33
33+33=66
so obvioisly the nxt will be 66+7=71

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