Problems based on Ages

Quantitative Aptitude ( CCS)

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

Jack is now twice as old as Femina, who is two years older than Suresh. Four years ago, Jack was four times as old as Suresh. How old is Jack now?

j=2f – (i)
f=s+2.-.(ii)
four years ago
j-4=4(s-4)
putting (ii) in (iii)
we get j-4 =4(f-2-4)
sub (i) in above equation we get
j-4=4(j/2-6) => j = 20