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A double top cross in plant breeding involves crossing two single crosses (hybrids) with each other. Single crosses are obtained by crossing two inbred lines, while open-pollinated varieties (OPVs) are typically populations of plants that have been allowed to freely cross-pollinate and are genetically diverse.
Eight years ago, the ratio of the ages of Rohan and Sohan was 5:6, respectively. Five years hence, the ratio of the ages of Mohan and Sohan will be 6:7,...
Sum of the present ages of A, B, C and D is 60 years. After 2 years ratio of their ages is 6:5:2:4. What is C’s present age?
5years ago, the ages of 'Arunita' and 'Bhasker' were in the ratio 2:3. 5years from now, the age of 'Arunita' will be 25% less than that of 'Bhasker'. De...
The present age of a mother is 4 times that of her daughter. After 12 years, the mother’s age will be 1 year more than twice the daughter’s age. Fin...
A’s age is the fifth part of his father’s age. After 7 years, the age of A’s father will be twice the age of B. If B’s 6th birth...
Present age of ‘A’ is 25% more than that of ‘B’. If 9 years hence from now, ‘B’ will be 6 years younger than ‘A’, then find the sum of p...
Present age of ‘A’ is 30% more than that of ‘B’. If 8 years hence from now, ‘B’ will be 9 years younger than ‘A’, then find the sum of p...
There are three persons 'Amit', 'Bhuvan' and 'Cheetan' such that 7 times the present age of 'Amit' is equal to 9 times the present age of 'Bhuvan' while...
The current age ratio of Rahul to Sakshi is 3:2. Additionally, the ratio of Rahul’s age five years ago to Sakshi’s age ten ye...
