Arithmetic Questions And Answers :: Problem On Numbers: part2

1.The sum of three consecutive odd numbers is 57. The middle one is:

2.If 1 is added to the denominator of a fraction, the fraction becomes If 1 is added to the numerator, the fraction becomes 1. The fraction is:

3.A fraction becomes 4 when 1 is added to the both the numerator and denominator; and it becomes 7 when 1 is subtracted from both the numerator and denominator. The numerator of the given fraction is:

4.Three numbers are in the ratio 3:4:5. The sum of the largest and the smallest equals the sum of the third and 52. The smallest number is:

5.A certain number of two digits is three times the sum of its digits and if 45 be added to it, the digits are reversed. The number is: