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24, 23, 26, 27, 36, 37 and 67 are the seven number pairs, which have as many digits between them as in the number series.
Twelve years ago, the age ratio between 'A' and 'B' was 5:4. In five years, their average age is expected to be 44 years. Determine 'A’s age eight yea...
Ratio of ages of father and son is 3 : 1. The product of their ages is 147. What is the sum of their ages?
The sum of ages of organization members (including clerk and managers) is 380 years. The total ages of clerks and managers are in the ratio 1:3 and the ...
The ages of A, B and C together are 60 years. B is thrice as old as A and C is 5 years older than A. What is the difference between ages of B and C?
Eight years ago, the ratio of Raman's age to Chaman's age was 4:5. Twelve years from now, this ratio will change to 13:15. Calculate the current average...
The current age of Gina is five times that of Henry. 8 years from now, Gina's age will be twice the age of Ian at that time. If Henry is 3 years younger...
The average of the present ages of A, B, C and D is (y-3) years. 12 years hence, the ratio between the ages of A and C is 9:8 respectively. Th...
Sum of the present ages of A, B, C and D is 65 years. After 4 years ratio of their ages is 6:5:4:3. What is C’s present age?
5 years ago, the average age of a family of five persons was 30 years. In between these 5 years the family adopted a girl. Now at present the average ag...
