A maths professor at IIT Guwahati asked one of his students to visit his house regarding some work. The student asked the professor his house number. The professor replied in a strange way:
1. If my house number is a multiple of 3, then it is a number from 50 to 59.
2. If my house number is not a multiple of 4, then it is a number from 60 to 69.
3. If my house number is not a multiple of 6, then it is a number from 70 to 79.
What is the sum of the digits in the professor’s house number?
A) 9
B) 13
C) 11
D) 10
Answers
Answered by
5
Math5 pts1 minute ago
A maths professor at IIT Guwahati asked one of his students to visit his house regarding some work. The student asked the professor his house number....
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3
Answer:
Step-by-step explanation:
It's 76 house number which is not multiple of 3 so doesn't belong to 50-59..
It's multiple of 4 so doesn't belong to 60-69...
It's not multiple of 6 so it belong to 70-79..
Sum of digits of 76 is 7+6=13 so correct answer is 13 which is option (B)...
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