Question
In a digital signature scheme, what does the process of
"signing" mean?Solution
Encrypting the message with the private key
Ayush's current age is 25% greater than Ayushi's, and the difference between their ages is 8 years. What will be the ratio of their ages 8 years from now?
- The age ratio of Kiran and Meena 3 years ago was 3:4. In 9 years from now, the ratio of their ages will be 5:6. What is the present age of Meena?
A’s present age is double B’s present age. After 6 years, A’s age will be four times the present age of C. The ratio of B’s age 3 years ago to C...
The ratio of A's age to B's age after 18 years will be 5:6. Seven years ago, the ratio of their ages was 5:7. Find the present average age of A and B.
The ratio of the ages of A, B and C, 5 years ago, was 4 : 5 : 7. The sum of their present ages is 135 years. What will be the sum of the ages (in years...
Seema’s present age is 1(1/2) times of her marriage. She married 12 years ago. Now she has a daughter whose age is 2 more than one third of her ag...
Present age of a Father is three times more than the age of his son. If six years ago, their ages were in ratio 7:1, respectively, then find the present...
The current age of 'P' is 40% more than the current age of 'Q'. Seven years from now, the ratio of their ages will be 14:11. What...
Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 12:13:16, respectively. If present average age of ‘A’ and ‘C’ is 28 years, then fi...
- Five years ago, the ratio of age of 'A' to 'B' was 4:5. After ten years, the ratio of age of 'A' to 'B' will be 7:8. Find the current age of 'C' who is 6 y...
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