CBSE UGC NET REASONING NUMBER SERISE

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1)30,62,126,?, 510,1022
a. 252
b.254..
c.255
d.262

solution
30+30=60
60+2=62
62+62=124
124+2=126
126+126=252
252+2=254  (ans)
pls solve.....next given few questions

Q.2
1,4,9,16,?
a,3
b,18
c,20
d,25..

Q3 1,5,11,19,?, 41,55
a,25
b,29..
c,35
d,38
 thanks for giving ans
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