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Sindhu

· started a discussion

· 1 Months ago

If 5 and 3 make a pair why not 3 and 1

Question:
How many such pairs of the digits are there in the number 539816, each of which has as many digits between them in the numbers, as when the digits are arranged in descending order within the number?
Options:
A) None 
B) One
C) Three
D) Two
E) More than three
Solution:


Knowledge Expert

· commented

· 1 Months ago

Hi, only two required pairs are there 98 and 65..............we fixed it.....

Knowledge Expert

· commented

· 1 Months ago

there are three such pairs........check again....

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