EWT | Academic Question

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Question (21)
QN009109
Which term of the pattern 1, 4, 7, 10, … is 34?
  • (A) 10th
  • (B) 11th
  • (C) 12th
  • (D) 13th

Correct Answer: C
Explanation:

1+(n−1)3=34

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Question (22)
QN009110
The rule for the pattern 9, 15, 21, 27, … is:
  • (A) 3n+6
  • (B) 6n+3
  • (C) 9n
  • (D) 5n+4

Correct Answer: B
Explanation:

6(1)+3=9

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Question (23)
QN009111
Find the next term in the pattern 14, 18, 22, 26, …
  • (A) 28
  • (B) 29
  • (C) 30
  • (D) 31

Correct Answer: C
Explanation:

Add 4 to the previous term.

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Question (24)
QN009112
Which pattern shows linear growth?
  • (A) 2, 4, 8, 16
  • (B) 1, 3, 5, 7
  • (C) 1, 4, 9, 16
  • (D) 2, 6, 18, 54

Correct Answer: B
Explanation:

Difference between terms is constant.

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Question (25)
QN009113
The number of dots in a pattern is given by 7n+2. How many dots are there in Stage 5?
  • (A) 35
  • (B) 36
  • (C) 37
  • (D) 38

Correct Answer: C
Explanation:

7(5)+2=37

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Question (26)
QN009114
Which stage of the pattern 4n+3 contains 31 objects?
  • (A) 6
  • (B) 7
  • (C) 8
  • (D) 9

Correct Answer: B
Explanation:

4n+3=31⇒n=7

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Question (27)
QN009115
The sequence 11, 16, 21, 26, … increases by:
  • (A) 3
  • (B) 4
  • (C) 5
  • (D) 6

Correct Answer: C
Explanation:

Difference between terms is 5.

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Question (28)
QN009116
If the nth term of a pattern is 3n+4, what is the 9th term?
  • (A) 29
  • (B) 30
  • (C) 31
  • (D) 32

Correct Answer: C
Explanation:

3(9)+4=31

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Question (29)
QN009117
Which algebraic expression represents the pattern 4, 9, 14, 19, …?
  • (A) 4n
  • (B) 5n−1
  • (C) 5n+4
  • (D) n 2 +3

Correct Answer: B
Explanation:

5(1)−1=4

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Question (30)
QN009118
The number of handshakes increases by 2 each round. If there are 6 handshakes in Round 1, how many handshakes occur in Round 10?
  • (A) 22
  • (B) 24
  • (C) 26
  • (D) 28

Correct Answer: B
Explanation:

6+(10−1)×2=24

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