exam Maths Puzzle Numerical Ability

the sum of the digits of a two digit number is 12. if the digits are reversed the number is 15 more than twice the orignal number what is the original number? how did you get it?

Read Solution (Total 0)

exam Other Question
How do you completely factor this problem?

16a^3 - 36a^2y + 14ay^2 1. 3/4x-(x-5)/3=x/2

2. t-12/5+3t/4=(t-6)/2

solve for X

3. x+a/3=c

4. ax+b=cx

5. 3ax-b=d-4cx