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AMU MCA Previous Year Questions (PYQs)

AMU MCA Number Series PYQ

AMU MCA PYQ
Choose the correct alternative that will constitute the same pattern:

98, 90, 82, 74, __, 58






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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2020 PYQ

Solution

Pattern: subtract 8 each time

98 − 8 = 90

90 − 8 = 82

82 − 8 = 74

74 − 8 = 66

66 − 8 = 58

AMU MCA PYQ
Find the next number in the series:

2, 9, 28, 65, __






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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2020 PYQ

Solution

Solution:

2 = 1³ + 1

9 = 2³ + 1

28 = 3³ + 1

65 = 4³ + 1

Next = 5³ + 1 = 125 + 1 = 126

AMU MCA PYQ
Choose the correct alternative:

7, 15, 32, __, 138, 281






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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2020 PYQ

Solution

Pattern: ×2 + increasing numbers

7 × 2 + 1 = 15

15 × 2 + 2 = 32

32 × 2 + 3 = 67

67 × 2 + 4 = 138

138 × 2 + 5 = 281

AMU MCA PYQ
The missing number in the series 40, 120,60, 180, 90,. lsis:





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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2020 PYQ

Solution

Pattern: ×3, ÷2 alternately

40 × 3 = 120

120 ÷ 2 = 60

60 × 3 = 180

180 ÷ 2 = 90

90 × 3 = 270

270 ÷ 2 = 135

AMU MCA PYQ
Find the missing sequence:

25, 49, 121, 169, _____





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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2021 PYQ

Solution

Squares of prime numbers:

$5^2 = 25$
$7^2 = 49$
$11^2 = 121$
$13^2 = 169$
Next prime = 17

$17^2 = 289$
AMU MCA PYQ
Find the missing sequence 1, 1, 2, 3, ____, 8, 13





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AMU MCA Previous Year PYQ AMU MCA AMU MCA 2021 PYQ

Solution

This is Fibonacci sequence

1, 1, 2, 3, 5, 8, 13

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