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Quantitative Aptitude

Pascal's Triangle

If in a given...

Question

If in a given pair of numbers, the first number is a multiple of the second number, then the second number is the _____ .

A

HCF

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B

LCM

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C

composite number

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D

prime number

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Solution

The correct option is A HCF
If in a given pair of numbers, the first number is a multiple of the second number, then the second number is the HCF of the given pair.

For example:
For pair 15, 5
15 is a mutiple of 5.
Therefore, 5 is the HCF of the pair.

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Similar questions

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numbers. The first number is the successor of the second number. The second number is the

3

rd multiple of the third number and if the third number is the

8

752

. Find the first number.

Q. Directions:- Study the following information carefully to answer the question given below.

Two rows of numbers are given in the question. The resultant number in each row has to be worked out separately based on the following rules. The operation of numbers progresses from left to right.

Rules:-
(i) If an odd number is followed by another odd number which is a perfect square then they are to be added.
(ii) If an even number is followed by an odd number or an odd number is followed by an even number, they are to be multiplied.
(iii) If an even number is followed by another even number, the first number is to be divided by the second number.
(iv) If an even number which is a multiple of 5 is followed by an odd number which is also a multiple of 5, then the second number is to be subtracted from the first number.

50 15 6
n 125 2
If n is the resultant of the first row, what is the resultant of the second row?

Q. Directions:- Study the following information carefully to answer the question given below.

Two rows of numbers are given in the question. The resultant number in each row has to be worked out separately based on the following rules. The operation of numbers progresses from left to right.

Rules:-
(i) If an odd number is followed by another odd number which is a perfect square then they are to be added.
(ii) If an even number is followed by an odd number or an odd number is followed by an even number, they are to be multiplied.
(iii) If an even number is followed by another even number, the first number is to be divided by the second number.
(iv) If an even number which is a multiple of 5 is followed by an odd number which is also a multiple of 5, then the second number is to be subtracted from the first number.

248 8 25
3

\times

28
If x is the resultant of the first row, what is the resultant of the second row?

Q. If 25% of a number is subtracted from a second number the second number reduce to its five-sixth What is the ratio of the first number to the second number?

Q. Find the pair in which the second number is the factor of the first number.

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