16, 24, 48, 120, 360, 1260,? 3780 4725 5355 5040 The series is x 1.5, x 2, x 2.5

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Home ‣ Verbal Reasoning ‣ Number Series Comments

Question
16, 24, 48, 120, 360, 1260,?
Options
A. 3780
B. 4725
C. 5355
D. 5040

Correct Answer

5040

Explanation

The series is x 1.5, x 2, x 2.5, x 3, x 3.5

Number Series problems

Search Results

1.
6, 26, 134, 666, 3334, 16666,?
Options
A. 84344
B. 83443
C. 84434
D. 83334

Discuss

Correct Answer: 83334

Explanation:

6 x 5 -4 = 26
26 x 5 + 4 =134
134 x 5 - 4 =666
666 x 5 + 4 = 3334
3334 x 5 -4 = 16666
16666 x 5 + 4 = ?
? = 83334

2.
81, 512, 2401, 7776, 15625, 16384,?
Options
A. 2187
B. 19683
C. 729
D. 512

Discuss

Correct Answer:

Explanation:

Option (e) Series is 9² , 8³ , 7⁴ , 6⁵ , 5⁶ , 4⁷ , 3⁸
? = 3⁸ , = 6561

3.
8, 64, 216, 516, 512, 1000, 1728,?
Options
A. 4096
B. 2744
C. 3375
D. 2197

Discuss

Correct Answer: 2744

Explanation:

Series is 2³ , 4³ , 6³ , 8³ , 10³ , 12³ , ....
Then, ? = 14³ = 2744

4.
72, 63, 54, 45, ...?......
Options
A. 36
B. 81
C. 27
D. 90

Discuss

Correct Answer: 36

Explanation:

The gap is of -9

5.
12, 15, 19, 24,?
Options
A. 28
B. 27
C. 30
D. 32

Discuss

Correct Answer: 30

Explanation:

The difference between the numbers increases by 1.

6.
529, 841, 961, 1369, 1681, 1849,?
Options
A. 2809
B. 2601
C. 3249
D. 3481

Discuss

Correct Answer:

Explanation:

The series is : 23², 29², 31², 37², 41², ..........(Square of prime numbers)

7.
20, 24, 33, 49, 74, 110?
Options
A. 133
B. 147
C. 159
D. 163

Discuss

Correct Answer: 159

Explanation:

The series is : 2², + 3², + 4², + 5², + 6², ..........

8.
796, 675, 554, 433, ...?....
Options
A. 512
B. 231
C. 213
D. 312

Discuss

Correct Answer: 312

Explanation:

The difference of the number is (- 121).

9.
231, 342, 453, 564, .....?.....
Options
A. 576
B. 475
C. 675
D. 567

Discuss

Correct Answer: 675

Explanation:

the difference of the numbers (+ 111).

10.
499, 622, 868, 1237, 1729, 2344,?
Options
A. 3205
B. 3082
C. 2959
D. 3462

Discuss

Correct Answer: 3082

Explanation:

The series is + 123, + (123 x 2), +(123 x 3), + (123 x 4), ...

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Number Series problems

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