# Quantitative Aptitude Quiz 2015 - Set 10 - Number Series and Mixed Problems

Hello and welcome to ExamPundit. Here is a set of Quantitative Aptitude Problems based on Number Series and Mixed Problems

Directions—(Q. 1–5) In the following number series only one number is wrong. Find out the wrong number.

1. 9050, 5675, 3478, 2147, 1418, 1077, 950
(a) 3478
(b) 1418
(c) 5675
(d) 2147
(e) 1077

2. 7, 12, 40, 222, 1742, 17390, 208608
(a) 7
(b) 12
(c) 40
(d) 1742
(e) 208608

3. 6, 91, 584, 2935, 11756, 35277, 70558
(a) 91
(b) 70558
(c) 584
(d) 2935
(e) 35277

4. 1, 4, 25, 256, 3125, 46656, 823543
(a) 3125
(b) 823543
(c) 46656
(d) 25
(e) 256

5. 8424, 4212, 2106, 1051, 526·5, 263·25, 131·625
(a) 131·625
(b) 1051
(c) 4212
(d) 8424
(e) 263·25

6. Six-eleventh of a number is equal to twenty two per cent of second number. Second number is equal to the one-fourth of third number. The value of the third number is 2400. What is the 45% of first number?
(a) 109·8
(b) 111·7
(c) 117·6
(d) 123·4
(e) None of these

7. An HR Company employs 4800 people, out of which 45 per cent are males and 60 per cent of the males are either 25 years or older. How many males are employed in HR Company who are younger than 25 years ?
(a) 2640
(b) 2160
(c) 1296
(d) 864
(e) None of these

8. The average marks in English subject of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 of the actual marks 48, 59 and 67 respectively, then what would be the correct average ?
(a) 56·5
(b) 59
(c) 57·5
(d) 58
(e) None of these

9. In a test, a candidate secured 468 marks out of maximum marks ‘A’. If the maximum marks ‘A’ were converted to 700 marks, he would have secured 336 marks. What were the maximum marks of the test?
(a) 775
(b) 875
(c) 975
(d) 1075
(e) None of these

10. The simple interest accrued on an amount of 22,500 at the end of four years is 10,800. What would be the compound interest accrued on the same amount at the same rate at the end of two years ?
(a) 16,908
(b) 5,724
(c) 28,224
(d) 8,586
(e) None of these

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