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Co-prime numbers are numbers that have only 1 as their common factor. HCF (Highest Common Factor) is the greatest number that divides all given numbers. If we have 10 co-prime numbers, their only common factor is 1 (since they have no other common divisors).
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
The present age ratio of a father to his son is 15:7, and that of a mother to her daughter is 6:2. The mother is three years younger than the father, an...
The ratio of the present ages of father and his son is 9:4. The product of their ages 3 years ago was 24 times of his son’s age that year. What was so...
The ratio of A and B present age is 5:3. The product of their ages is 6000. What will be the ratio of their ages after 4 years?
A is five times as old as B. C was twice-as old as A six years ago. In six years' time, A will be 31. Find the sum of the present ages of B and C.
The sum of the ages of P, Q, and R is 120 years. If P is 10 years older than Q and R is 5 years younger than P, what is the age of Q?
The current average age of 'Akhil', 'Bittu', and 'Chinu' is 42 years. 'Bittu's' age is 25% greater than 'Akhil's'. Twelve years from now, the age ratio ...
The age of person X (x + 1) years ago and the age of person Y (x + 2) years from now are in the ratio 1:2.
Additionally, it is given that:
X i...
If 7 years is subtracted from the present age of Rohit and the remainder is divided by 13, then the present age of his grandson Amit is obtained. If Ami...
The present ages of Vikas and Sneha are in the ratio 7:4, respectively. After 6 years from now, the sum of their ages will be 78 years. Find the present...
