Q. A dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of a dog are equal to 4 leaps of the hare. Compare their speeds.

• 3x=4y;x=4/3(y)
  4x:5y=4(4/3(y)):5y=16:15
• 10 years agoHelpfull: Yes(36) No(0)
• mr.aashu
  dnt copy problems from R.S agarwal. these problems aren't asked in techmahindra .
  
• 10 years agoHelpfull: Yes(9) No(0)
• given that 3 leaps of dog is equal to 4 leaps of hare.so for Dog let 1 leap(D) be =20units,for Hare 1 leap(H) be 15m.So 3D=4H=60m.
  as time is constant (V is directly propotional to D)
  So dog takes 4leaps(i.e.4*20=80m) and hare takes 5 leaps(i.e.5*15=75m)..so ratio of speed of dog/hare=80/75=16/15
• 10 years agoHelpfull: Yes(4) No(0)
• @phani i hope if u knw questions asked in tech mahindra plz guide us wid the same by posting it it will really help.
  thanks in advance...
• 10 years agoHelpfull: Yes(4) No(0)
• dnt fight over petty matter.
  i think if u brawl here then u will nt be selected in tech mahindra.....
  Ashu and Pani..(our politicians..)
• 10 years agoHelpfull: Yes(2) No(1)
• speed of hare:speed of dog=15:16
• 10 years agoHelpfull: Yes(1) No(1)
• correct answer=16:15
  suppose dogs is =x
  suppose hare leaps=y
  accourding to the question
  4 x :5y=? ....(1)
  givn 3 x=4 y ...(2)
  x=4 y:3..(3)
  put the value 3 in equation 1
  we get 16:15.
  
• 8 years agoHelpfull: Yes(1) No(0)