exam
Maths Puzzle
Numerical Ability
Given the digits 1, 3, 6, 9, find the probability that a four digit number formed by using each of them only once is divisible by 7.
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exam Other Question
Folders cost .79 Spiral notebooks cost 1.19 5.54 spent how many folders and how many spiral notebooks bought? How do i set this up?
Add:
29+(-42)+510+(-397)+52(-792)
Help me please. I do not understand am i supposed to subtract all the ones in parenthisis then add the rest, then subtract the total parenthisis from the total of the ones not in parenthesis?