## Mathematical Reasoning Aptitude MCQ Quiz 1

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This Mathematical Reasoning Aptitude MCQ Quiz 1 Free MCQ is based on following questions.

**Example 1**

2, 3, 5, 7, 11, 13, 17, …

(a) 15

(b) 17

(c) 18

(d) 19

**Solution:- The given series is a prime number series. The next prime number is 19. Answer: (d)**

**Example 2**

2, 5, 11, 17, 23, 31, …

(a) 33

(b) 37

(c) 41

(d) 43

**SolutionThe prime numbers in this range are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, … Prime numbers have been written alternatively. Thus, after 31, the prime numbers are 37, 41, … Ignoring 37, the answer is 41.Answer: (c)**

**Example 3**

2, 5, 8, 11, 14, 17, …, 23, 26,

(a) 19

(b) 21

(c) 20

(d) 18

**SolutionThe difference between the numbers is 3 (17 + 3 = 20).Answer: (c)**

**Example 4**

45, 38, …, 24, 17, 10, 3

(a) 31

(b) 34

(c) 38

(d) 29

** SolutionThe difference between the consecutive numbers is 7(38 – 7 = 31).Answer: (a)**

**Example 5**

2, 6, 18, 54, …, 486, 1,458

(a) 152

(b) 182

(c) 162

(d) 108

** SolutionThe numbers are multiplied by 3 to get the next number(54 × 3 = 162).Answer: (c)**

Mathematical Reasoning Aptitude MCQ Quiz 1 Free MCQ

**Example 6**

3, 12, 48, …, 768, 3,072

(a) 192

(b) 216

(c) 512

(d) 72

** SolutionThe numbers are multiplied by 4 to get the next number(48 × 4 = 192).Answer: (a)**

**Example 7**

720, 120, 24, 6, …, 1

(a) 1

(b) 2

(c) 3

(d) 4

** Solution720 divided by 6 = 120120 divided by 5 = 2424 divided by 4 = 66 divided by 3 = 22 divided by 2 = 1Answer: (b)**

**Example 8**

32, 48, 72, …, 162, 243

(a) 84

(b) 96

(c) 108

(d) 132

**SolutionEach number is being multiplied by 3/2 to get the next number.Answer: (c)**

**Example 9**

1, 4, 9, 16, 25, 36, …, 64

(a) 42

(b) 44

(c) 45

(d) 49

**SolutionThe series is squares of 1, 2, 3, 4 and so on.Answer: (d)**

**Example 10**

0, 4, 16, 36, 64, …, 144

(a) 100

(b) 84

(c) 96

(d) 120

**SolutionThe series is squares of even numbers, such as 2, 4, 6, 8, 10 and 12. Hence, the answer is 102 = 100.Answer: (a)**

Mathematical Reasoning Aptitude MCQ Quiz 1 Free MCQ

**Example 11**

0, 3, 8, 15, 24, 35, 48, 63, …

(a) 80

(b) 82

(c) 83

(d) None of the above

** SolutionThe series is 12 – 1, 22 – 1, 32 – 1 and so on. The next number is 92 – 1 = 80.Answer: (a)**

**Example 12**

2, 5, 10, 17, 26, 37,…, 65

(a) 50

(b) 48

(c) 49

(d) 51

**SolutionThe series is 12 + 1, 22 + 1, 32 + 1 and so on. The next number is 72 + 1 = 50.Answer: (a)**

**Example 13**

0, 2, 6, 12, 20, 30, …, 56

(a) 36

(b) 40

(c) 42

(d) None of the above

**Solution****The series is 02 + 0, 12 + 1, 22 + 2, 32 + 3 and so on. The ****missing number is 62 + 6 = 42. The next number = 62 +****6 = 42.****Answer: (c)**

**Example 14**

1, 8, 27, 64, 125, 216, …

(a) 256

(b) 343

(c) 365

(d) 400

**SolutionThe series is 13, 23, 33, etc. The missing number is 73 = 343.Answer: (b)**

**Example 15**

2, 9, 28, 65, 126, 217, 344, …

(a) 513

(b) 362

(c) 369

(d) 361

**SolutionThe series is 13 + 1, 23 + 1, 33 + 1 and so on. Thus, the missing number is 83 + 1 = 513.Answer: (a)**

Mathematical Reasoning Aptitude MCQ Quiz 1 Free MCQ

**Example 16**

A, C, E, G, …, K

(a) I

(b) H

(c) J

(d) M

**Solution****The series is A + 2 = C, C + 2 = E, E + 2 = G; G + 2 = I, I + ****2 = K. The missing letter is I.****Answer: (a)**

**Example 17**

A, B, D, G, …, P

(a) K

(b) L

(c) M

(d) N

**SolutionThe series is +1, +2, +3, +4, +5 and so on. A + 1 = B; B + 2 = D; D + 3 = G; G + 4 = K; K + 5 = P. The missing letter is K.Answer: (a)**

**Example 18**

B, E, H, K, N, …

(a) P

(b) O

(c) Q

(d) R

**SolutionThe series is +3. The missing letter is N + 3 = Q.Answer: (c)**

**Example 19**

B, D, G, I, L, N, …

(a) N

(b) O

(c) P

(d) Q

**SolutionThis series is formed by moving + 2 and +3 for each pair of letters starting from left. Thus, the missing letter isN + 3 = Q.Answer: (d)**

**Example 20**

B, C, E, G, K, …

(a) M

(b) N

(c) O

(d) P

**Solution****B = 2, … K = 11 according to alphabet series****Thus, alphabet series have been constructed according ****to the prime numbers. The next prime number is 13 ****and the corresponding letter is M.****Answer: (a)**

Mathematical Reasoning Aptitude MCQ Quiz 1 Free MCQ

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