Question
Easy
If a 8 - digit number 9 4 7 1 x 9 y 2 is divisible by 72, then which of the following statements is not true ?
1
x=8 and y=5
2
x=4 and y=9
3
x=9 and y=5
4
x=3 and y=1
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Number System
Topic: Divisibility Rules
Correct Answer
Option C
Explanation
To determine which statement is not true regarding the divisibility of the 8-digit number 9471xy92 by 72, we need to consider the divisibility rules for 72. A number is divisible by 72 if it is divisible by both 8 and 9. Divisibility by 8: A number is divisible by 8 if its last three digits form a number that is divisible by 8. In this case, the last three digits…Read More
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