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Question (1)

QN0016107

A puzzle in which digits are replaced by letters is called a

(A) Sudoku
(B) Cryptarithm
(C) Magic square
(D) Grid puzzle

Correct Answer: B

Explanation:

A cryptarithm is a puzzle where letters represent digits.

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Question (2)

QN0016108

In a cryptarithm, each letter represents

(A) A symbol
(B) More than one digit
(C) Exactly one digit
(D) A number greater than 9

Correct Answer: C

Explanation:

Each letter stands for exactly one digit.

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Question (3)

QN0016109

In a valid cryptarithm, two different letters

(A) May represent the same digit
(B) Must represent different digits
(C) Must represent even digits
(D) Must represent odd digits

Correct Answer: B

Explanation:

Different letters must represent different digits.

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Question (4)

QN0016110

Which of the following is a cryptarithm?

(A) 15 + 23 = 38
(B) A + B = C
(C) CAT + DOG = PET
(D) 7 × 8 = 56

Correct Answer: C

Explanation:

Letters replace digits in a cryptarithm.

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Question (5)

QN0016111

In the cryptarithm T + T = 8, the value of T is

(A) 2
(B) 3
(C) 4
(D) 5

Correct Answer: C

Explanation:

4 + 4 = 8.

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Question (6)

QN0016112

If A + A = 14, then A equals

(A) 5
(B) 6
(C) 7
(D) 8

Correct Answer: C

Explanation:

7 + 7 = 14.

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Question (7)

QN0016113

In the cryptarithm P + P = 10, the value of P is

(A) 4
(B) 5
(C) 6
(D) 7

Correct Answer: B

Explanation:

5 + 5 = 10.

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Question (8)

QN0016114

If M + M = 18, then M is

(A) 8
(B) 9
(C) 7
(D) 6

Correct Answer: B

Explanation:

9 + 9 = 18.

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Question (9)

QN0016115

In the cryptarithm AB + AB = 66, the value of A is

(A) 1
(B) 2
(C) 3
(D) 4

Correct Answer: C

Explanation:

AB = 33, so A = 3.

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Question (10)

QN0016116

If AA + AA = 88, then A is

(A) 2
(B) 3
(C) 4
(D) 5

Correct Answer: C

Explanation:

AA = 44, so A = 4.

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