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Question (31)

QN0016097

If the number of 5-beat rhythms is 8 and 6-beat rhythms is 13, then the number of 7-beat rhythms is

(A) 18
(B) 20
(C) 21
(D) 25

Correct Answer: C

Explanation:

8 + 13 = 21.

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Question (32)

QN0016098

Which mathematician wrote about these numbers before Fibonacci?

(A) Newton
(B) Euclid
(C) Virahāṅka
(D) Gauss

Correct Answer: C

Explanation:

Virahāṅka studied them centuries earlier.

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Question (33)

QN0016099

Piṅgala is associated with the study of

(A) Algebra
(B) Poetry and rhythms
(C) Statistics
(D) Geometry

Correct Answer: B

Explanation:

Piṅgala studied poetic metres.

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Question (34)

QN0016100

Which of the following flowers is mentioned as commonly having a Virahāṅka number of petals?

(A) Rose
(B) Lotus
(C) Daisy
(D) Sunflower

Correct Answer: C

Explanation:

Daisy flowers often show Fibonacci petal counts.

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Question (35)

QN0016101

A daisy shown in the text may have

(A) 14 petals
(B) 18 petals
(C) 21 petals
(D) 22 petals

Correct Answer: C

Explanation:

21 is a Virahāṅka number.

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Question (36)

QN0016102

Which of the following is a Virahāṅka number often found in nature?

(A) 13
(B) 14
(C) 15
(D) 16

Correct Answer: A

Explanation:

13 belongs to the sequence.

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Question (37)

QN0016103

If two consecutive Virahāṅka numbers are 987 and 1597, the next number is

(A) 2584
(B) 2384
(C) 2484
(D) 2684

Correct Answer: A

Explanation:

987 + 1597 = 2584.

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Question (38)

QN0016104

If two consecutive Virahāṅka numbers are 987 and 1597, the previous number is

(A) 377
(B) 610
(C) 987
(D) 1597

Correct Answer: B

Explanation:

1597 − 987 = 610.

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Question (39)

QN0016105

The sequence 1, 2, 3, 5, 8, 13, 21, 34, 55 has how many odd numbers?

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

Correct Answer: B

Explanation:

Odd terms are 1, 3, 5, 13, 21 and 55.

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Question (40)

QN0016106

Which statement best defines a Virahāṅka–Fibonacci sequence?

(A) Every term is double the previous term.
(B) Every term is obtained by adding the two preceding terms.
(C) Every term is a prime number.
(D) Every term differs by 2 from the previous term.

Correct Answer: B

Explanation:

Each term equals the sum of the previous two terms.

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Question (31)

If the number of 5-beat rhythms is 8 and 6-beat rhythms is 13, then the number of 7-beat rhythms is

Explanation:

Link:

Question (32)

Which mathematician wrote about these numbers before Fibonacci?

Explanation:

Link:

Question (33)

Piṅgala is associated with the study of

Explanation:

Link:

Question (34)

Which of the following flowers is mentioned as commonly having a Virahāṅka number of petals?

Explanation:

Link:

Question (35)

A daisy shown in the text may have

Explanation:

Link:

Question (36)

Which of the following is a Virahāṅka number often found in nature?

Explanation:

Link:

Question (37)

If two consecutive Virahāṅka numbers are 987 and 1597, the next number is

Explanation:

Link:

Question (38)

If two consecutive Virahāṅka numbers are 987 and 1597, the previous number is

Explanation:

Link:

Question (39)

The sequence 1, 2, 3, 5, 8, 13, 21, 34, 55 has how many odd numbers?

Explanation:

Link:

Question (40)

Which statement best defines a Virahāṅka–Fibonacci sequence?

Explanation:

Link:

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