MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The sum of present ages of 2 persons A and B is 60.If the age of A is twice that of B, Find the sum of their ages 5 years hence.
A
50
B
60
C
70
D
80
Explanation: 

Detailed explanation-1: -If the age of A is twice that of B, find the sum of their ages 5 years hence. Given that, A+B = 60 and A = 2B. Solving, We get A = 40, B = 20. Five years their ages will be 45 and 25, so the sum of their ages will be 70.

Detailed explanation-2: -Answer. so present ages are 45 and 15 years.

Detailed explanation-3: -Answer: John’s present age is 20 years old. 10 years from now, his age will be 5 times greater than it was 6 years ago, which would be 40 years old.

There is 1 question to complete.