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Complete the series
1,6,13,22,33,...

  • 46
  • 48
  • 49
  • 51

Answer: Option A

Explanation:

Pattern is +5, +7, +9, +11
So next number will be +13
=> 33+13 = 46

Similar Questions :

1. 21,25,33,49,81, ?

  • 140
  • 145
  • 147
  • 159

Answer: Option B

Explanation:

Pattern is, +4, +8, +16, +32, so next will be +64
81+64 = 145

2. 5, 9, 17, 29, 45, ... ?

  • 58
  • 64
  • 65
  • 80

Answer: Option C

Explanation:

Pattern in the series is +4, +8, +12, +16.
Next term will be 45 + 20 = 65

3. Which fraction will come next, \begin{aligned} \frac{1}{2}, \frac{3}{4}, \frac{5}{8}, \frac{7}{16}, ? \end{aligned}

  • \begin{aligned} \frac{11}{32} \end{aligned}
  • \begin{aligned} \frac{9}{28} \end{aligned}
  • \begin{aligned} \frac{9}{30} \end{aligned}
  • \begin{aligned} \frac{9}{32} \end{aligned}

Answer: Option D

Explanation:

Numerators of the fractions in the given sequence are getting increased by 2, i.e. 1+2,3+2,5+2, so next will be 7+2 = 9

Denominators of the fractions in the series is getting doubled, 2*2 = 4, 4*2 = 8, 8*2 = 16, no next will be 16*2 = 32

So resulting fraction will be
\begin{aligned}
\frac{9}{32}
\end{aligned}

4. 4, 10, (?), 82, 244, 730

  • 26
  • 28
  • 40
  • 48

Answer: Option B

Explanation:

Each number in the series is the preceding number multiplied by 3 and then decreased by 2.

5. Which number would replace the question mark in series
7,12,19,?,39

  • 24
  • 28
  • 31
  • 33

Answer: Option B

Explanation:

Pattern is , +5, +7, +9
Missing Number = 19+9 = 28

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