A person run from A to B.He took ¼ of the time less to reach B when compare to run at normal Speed. By what percentage he has increased his speed?
a) 40 b) 44.4 c) 33.3 d) 22.2

• ans is 33.3%
• 10 years agoHelpfull: Yes(4) No(3)
• let normal time be t, speed s
  here time is reduced to ( t - t/4 ) = 3/4 * t
  speed is inversely proportion to time so speed is increased to 4/3 * s
  speed is increased by 4/3*s - s = 1/3 * s means 33.3%
• 9 years agoHelpfull: Yes(4) No(0)