MCQ on Number Series for Competitive Exams like Bank PO, Bank Clerk, SSC CGL, SSC CHSL, SSC GD, And Railways
Solve the following MCQs on Number Series
353, 354, 351, 356, 349, ?
(a) 348
(b) 358
(c) 338
(d) 385
(e) 340
Solution: (b)
The pattern of the number series is :
353 + 1 = 354
354 – 3 = 351
351 + 5 = 356
356 – 7 = 349
349 + 9 = 358
5 13 29 ? 125 253
(a) 83
(b) 69
(c) 61
(d) 65
(e) 81
Solution: (c)
The pattern of the number series is :
\(\displaystyle 1+{{2}^{2}}=1+4=5\)
\(\displaystyle 5+{{2}^{3}}=5+8=13\)
\(\displaystyle 13+{{2}^{4}}=13+16=29\)
\(\displaystyle 29+{{2}^{5}}=29+32=61\)
\(\displaystyle 61+{{2}^{6}}=61+64=125\)
17 18 26 53 117 ? 458
(a) 342
(b) 142
(c) 257
(d) 262
(e) 242
Solution: (e)
The pattern of the number series is :
\(\displaystyle 17+{{1}^{3}}=17+1=18\)
\(\displaystyle 18+{{2}^{3}}=18+8=26\)
\(\displaystyle 26+{{3}^{3}}=26+27=53\)
\(\displaystyle 53+{{4}^{3}}=53+64=117\)
\(\displaystyle 117+{{5}^{3}}=117+125=242\)
\(\displaystyle \frac{1}{4},\frac{1}{2},\frac{3}{4},1\frac{1}{4},1\frac{3}{4},?\)
(a) 2
(b) 4
(c) 6
(d) \(\displaystyle 1\frac{1}{5}\)
(e) \(\displaystyle 1\frac{2}{3}\)
Solution: (a)
\(\displaystyle \frac{1}{4}+\frac{1}{4}=\frac{1}{2}\)
\(\displaystyle \frac{1}{2}+\frac{1}{4}=\frac{3}{4}\)
\(\displaystyle \frac{3}{4}+\frac{1}{4}=1\)
\(\displaystyle 1+\frac{1}{4}=1\frac{1}{4}\)
\(\displaystyle ?=1\frac{3}{4}+\frac{1}{4}=2\)
\(\displaystyle \frac{1}{2},1,1\frac{1}{2},2,2\frac{1}{2},3,?\)
(a) \(\displaystyle 3\frac{1}{2}\)
(b) \(\displaystyle 2\frac{1}{3}\)
(c) 4
(d) \(\displaystyle 3\frac{1}{4}\)
(e) None of these
Solution: (a)
The pattern of the number series is :
\(\displaystyle \frac{1}{2}+\frac{1}{2}=1,1+\frac{1}{2}=1\frac{1}{2}\)
\(\displaystyle 1\frac{1}{2}+\frac{1}{2}=2\)
\(\displaystyle ?=3+\frac{1}{2}=3\frac{1}{2}\)
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