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Question (11)

QN0020102

In a pyramid with bottom row 2, 3, 4, the topmost number is:

(A) 9
(B) 10
(C) 12
(D) 14

Correct Answer: C

Explanation:

Middle row = 5, 7 and top = 12.

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Question (12)

QN0020103

If the bottom row of a three-row pyramid is 5, 7, 9, then the top number is:

(A) 26
(B) 28
(C) 30
(D) 32

Correct Answer: B

Explanation:

Top = 5 + 2×7 + 9 = 28.

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Question (13)

QN0020104

For a three-row pyramid with bottom row a, b, c, the topmost expression is:

(A) a + b + c
(B) a + 2b + c
(C) 2a + b + c
(D) a + b + 2c

Correct Answer: B

Explanation:

Top = (a+b)+(b+c) = a+2b+c.

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Question (14)

QN0020105

The topmost number of a pyramid with bottom row 4, 13, 8 is:

(A) 34
(B) 38
(C) 40
(D) 42

Correct Answer: B

Explanation:

4 + 2×13 + 8 = 38.

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Question (15)

QN0020106

The topmost number of a pyramid with bottom row 7, 11, 3 is:

(A) 30
(B) 32
(C) 34
(D) 36

Correct Answer: B

Explanation:

7 + 2×11 + 3 = 32.

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Question (16)

QN0020107

The topmost number of a pyramid with bottom row 10, 14, 25 is:

(A) 61
(B) 63
(C) 65
(D) 67

Correct Answer: B

Explanation:

10 + 2×14 + 25 = 63.

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Question (17)

QN0020108

In a calendar, moving one day to the right increases the number by:

(A) 2
(B) 5
(C) 7
(D) 1

Correct Answer: D

Explanation:

Consecutive days differ by 1.

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Question (18)

QN0020109

In a calendar, moving one row downward increases the number by:

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

Correct Answer: C

Explanation:

Dates in the same weekday column differ by 7.

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Question (19)

QN0020110

If the top-left number of a 2 × 2 calendar grid is a, the sum of the four numbers is:

(A) 4a + 8
(B) 4a + 12
(C) 4a + 16
(D) 4a + 20

Correct Answer: C

Explanation:

a+(a+1)+(a+7)+(a+8)=4a+16.

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Question (20)

QN0020111

The sum of a 2 × 2 calendar grid is 52. The top-left number is:

(A) 8
(B) 9
(C) 10
(D) 11

Correct Answer: B

Explanation:

4a+16=52 ⇒ a=9.

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Question (11)

In a pyramid with bottom row 2, 3, 4, the topmost number is:

Explanation:

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Question (12)

If the bottom row of a three-row pyramid is 5, 7, 9, then the top number is:

Explanation:

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Question (13)

For a three-row pyramid with bottom row a, b, c, the topmost expression is:

Explanation:

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Question (14)

The topmost number of a pyramid with bottom row 4, 13, 8 is:

Explanation:

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Question (15)

The topmost number of a pyramid with bottom row 7, 11, 3 is:

Explanation:

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Question (16)

The topmost number of a pyramid with bottom row 10, 14, 25 is:

Explanation:

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Question (17)

In a calendar, moving one day to the right increases the number by:

Explanation:

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Question (18)

In a calendar, moving one row downward increases the number by:

Explanation:

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Question (19)

If the top-left number of a 2 × 2 calendar grid is a, the sum of the four numbers is:

Explanation:

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Question (20)

The sum of a 2 × 2 calendar grid is 52. The top-left number is:

Explanation:

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