**Directions 1-4:**What will come in the place of question mark (?) in the following number series?

**1) 6, 16, 36, 76, 156, ?**

(a) 160

(b) 253

(c) 316

(d) 402

**2) 325, 259, 204, 160, ?**

(a) 105

(b) 125

(c) 135

(d) 127

(e) 138

**3) 53, 53, 40, 40, 27, 27, ?**

(a) 13

(b) 14

(c) 27

(d) 53

(e) 40

**4) 45, 54, 47, ?, 49, 56, 51, 57, 53**

(a) 48

(b) 46

(c) 52

(d) 55

(e) 63

**Directions 5-9:**In Each of the following questions, one term in the number series in Wrong. Find out the Wrong term.

**5) 125, 126, 124, 127, 123, 129**

(a) 126

(b) 124

(c) 127

(d) 123

(e) 129

**6) 3, 4, 10, 32, 136, 685, 4116**

(a) 32

(b) 10

(c) 3

(d) 685

(e) 4116

**7) 3, 2, 8, 9, 13, 22, 18, 32, 23, 42**

(a) 3

(b) 9

(c) 13

(d) 8

(e) 23

**8) 2, 5, 10, 50, 500, 5000**

(a) 5000

(b) 500

(c) 50

(d) 10

(e) 2

**9) 8, 13, 21, 32, 47, 63, 83**

(a) 13

(b) 21

(c) 32

(d) 47

(e) 63

(f) 83

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**Answers :**

**1. Solution :**

Hence,? = 316

The correct answer is (C).

**2. Solution :**

Hence,? = 127

The correct answer is (C).

**3. Solution :**

Hence,? = 14

The correct answer is (B)

**4. Solution :**

Here the given series is combination of two series:

Series I : 45, 47, 49, 51, 53

Series II : 54, ?, 56, 57

Now, from series II

The correct answer is (D).

**5. Solution:**

Hence, 129 is Wrong term.

The correct answer is (E).

**6. Solution:**

Hence, 32 is Wrong number.

The correct answer is (A).

**7. Solution:**

Here, given series is combination of two series.

Series I: 3, 8, 13, 18, 23

Series II: 2, 9, 22, 32, 42

In series I,

In series II,

Hence, 9 is Wrong number.

The correct answer is (B).

**8. Solution:**Here,

2×5 = 10

5×10 = 50

10×5 = 50

50×500 = 25000

Hence, 5000 is Wrong term.

The correct answer is (A).

Hence, 47 is Wrong number.

The correct answer is (D).

**9. Solution:**Hence, 47 is Wrong number.

The correct answer is (D).

*Free 100 Number Series Questions PDF link*