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Question (1)

QN0015072

Which of the following products shows a pattern of repeated 1s?

(A) 11 × 11
(B) 12 × 12
(C) 13 × 13
(D) 14 × 14

Correct Answer: A

Explanation:

11 × 11 produces a symmetric pattern.

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Question (2)

QN0015073

What is the value of 11 × 11?

(A) 111
(B) 121
(C) 131
(D) 141

Correct Answer: B

Explanation:

11 × 11 = 121.

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Question (3)

QN0015074

The product 111 × 111 is:

(A) 12321
(B) 12221
(C) 12421
(D) 12121

Correct Answer: A

Explanation:

111² = 12321.

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Question (4)

QN0015075

What is 1111 × 1111?

(A) 1234321
(B) 12344321
(C) 123454321
(D) 1233321

Correct Answer: B

Explanation:

1111² = 12344321.

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Question (5)

QN0015076

Which pattern appears in 1 × 1, 11 × 11, 111 × 111, ... ?

(A) Digits decrease only
(B) Digits increase then decrease symmetrically
(C) All digits are 1
(D) Digits are random

Correct Answer: B

Explanation:

Digits rise and then fall symmetrically.

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Question (6)

QN0015077

What is the value of 11111 × 11111?

(A) 123454321
(B) 1234554321
(C) 1234544321
(D) 1234454321

Correct Answer: B

Explanation:

11111² = 1234554321.

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Question (7)

QN0015078

What is 1 × 9 + 2?

(A) 10
(B) 11
(C) 12
(D) 13

Correct Answer: B

Explanation:

1 × 9 + 2 = 11.

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Question (8)

QN0015079

What is 12 × 9 + 3?

(A) 111
(B) 112
(C) 113
(D) 123

Correct Answer: A

Explanation:

108 + 3 = 111.

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Question (9)

QN0015080

What is 123 × 9 + 4?

(A) 1111
(B) 1110
(C) 1234
(D) 1121

Correct Answer: A

Explanation:

1107 + 4 = 1111.

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Question (10)

QN0015081

The value of 1234 × 9 + 5 is:

(A) 11111
(B) 11115
(C) 11110
(D) 12345

Correct Answer: A

Explanation:

11106 + 5 = 11111.

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