Question

A pair of numbers ( a,b) in a specific order with ‘a’ at the first place ‘b’ at the second place is called
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Answer 1

Answer:

ANSWER

Let's look at products of 6

6,12,18,24,30,36,42,48,54,60,66,72,78,84,90

The pairs whose sums equal to 90 are:

6+84=90

12+78=90

18+72=90

66+24=90

60+30=90

54+36=90

48+42=90

Total number of pairs are 7.

But there can be 7 more pairs when the numbers are reversed.

∴ total number of ordered pair are 14

Step-by-step explanation:

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