Question

1. The sum of two digits of a number is 9. If the digit are reversed , the number is increased by 63. Find the number.

2. Two third of a number is thirty less than the original number. Find the number.

3. Find the greatest possible length of a scale to measure exactly 6m25cm, 9m50cm, 12m25cm.

4. The sum of the digits of a two digit number is 8. If the digits are reversed , the number is decreased by 54. Find the number.PLEASE GUYS SOLVE THIS QUESTIONS IMMEDIATELY......​

Answer 1

Answer for the 2nd one: 90

Step-by-step explanation:

Let the no. be x

ACQ,

2/3 of x = x - 30

2x/3 = x - 30

2x = 3(x - 30)

2x = 3x - 90

2x -3x = -90

-x = -90

Therefore, x = 90