Question
In a public key infrastructure (PKI), what is the
primary role of a Certificate Authority (CA)?Solution
Verify the authenticity of public keys
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 5:4:3:3. What is C’s present age?
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 6:4:3:2. What is C’s present age?
Currently, the average age of individuals 'A' and 'B' is 17 years, with 'A' being 2 years older than 'B'. The age of 'C' is 50% greater than that of 'A'...
- After 6 years, the sum of the ages of 'Karan' and 'Amit' will be 70 years. Fifteen years ago, Karan was 12 years younger than Amit. What will be Amit’s a...
The combined average age of M, F, and S was 54 years when S got married. After 6 years, an infant was born. The average age of the family, 12 years post...
The ratio of age of ‘B’ after 3 years from now and age of ‘C’ 8 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of th...
The ratio of the present ages of Ginni and Binni is 5:3 respectively. Ginni is ‘n’ years older than Binni. If after 2 years, the ratio of the ages o...
- The present age ratio of X and Y is 5:9. After 6 years, the ratio will become 7:11. Find the present age of X.
The present average age of ‘X’ and ‘Y’ is 16 years, present average age of ‘X’ and ‘Z’ is 56 years and present average age of ‘Y’ an...
The ratio of Amit’s and Bhanu’s ages will be 33:26 after 12 years. The current average age of Amit, Bhanu, and Charu is 53 years. Charu’s present ...