Question
What is the purpose of "Multi-factor Authentication"
(MFA)?Solution
MFA requires users to provide multiple forms of verification, adding extra security beyond just a password.
The sum of ages of P and Q is 15 years more than the sum of ages of Q and R. How many years younger is R as compared to 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...
Three years ago, the ratio of ages of C and D was 3:4. Seven years from now, the ratio of their ages will be 5:6. What is the current age of C?
- Twelve years ago, Pawan's age was twice that of Qureshi. Thirteen years from now, the ratio of their ages will be 9:7. What is their current average age?
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
- Five years ago, the ratio of age of ‘A’ to ‘B’ was 4:5. Seven years from now, their age ratio will be 6:7. Find the present age of ‘Z’, who is ...
7 years ago, Meera’s age was equal to the Heena’s present age. The sum of Meera’s age 10 years from now and Heena’s age 5 years ...
15 years ago, the average age of all the 40 teachers of the college was 50 years. 8 years ago, the principal has retired from her post at the age of 60 ...
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now ...
Half a decade ago, the ages of two individuals, Akash and Kavita, were in a specific ratio of 2:3. Fast forward five years from the present, we find tha...
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