exam Maths Puzzle Numerical Ability

the sum of 3 digist is 5. The first and last digits are the same. If the middle digit is exchange with the first digit , then the number is 90 less than the original number. Find the original number.

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exam Other Question
13. The test of whether two variables are related results in an ANOVA table.
A) True
B) False I need help with the following question:

Between what two consecutive integers is sqrt78?

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