PS Practice test question #1

This topic has expert replies
Master | Next Rank: 500 Posts
Posts: 288
Joined: Thu Jul 31, 2008 10:54 pm
Location: Bombay, India

PS Practice test question #1

by missionmba » Mon Aug 04, 2008 5:05 am
If 125% of j is equal to 25% of k, 150% of k is equal to 50% of l, and 175% of l is equal to 75% of m, then 20% of m is equal to what percent of 200% of j ?


.35

3.5

35

350

3500

_________
1.5 mins max
Mission Mba

Everyone has a will to win but very few have the will to prepare to win
Source: — Problem Solving |

Junior | Next Rank: 30 Posts
Posts: 18
Joined: Sat Mar 15, 2008 10:54 pm

by spanlength » Mon Aug 04, 2008 5:16 am
From the question we hav
1.25J = 0.25 K => 5j = k
1.5k = .5l => 6k = 2l
1.75l = 0.75m => 7l = 3m

we have now 0.2m = x(2j);
5*6j = 6k = 2l => 30j = 2l
15*7*2j = 2* 7*l = 2*3m
Hence we have 6m = 210j => 2m = 70j => 0.2 m = 3.5(2j)

Hence ans is 350%

Master | Next Rank: 500 Posts
Posts: 288
Joined: Thu Jul 31, 2008 10:54 pm
Location: Bombay, India

by missionmba » Mon Aug 04, 2008 2:49 pm
correct
Mission Mba

Everyone has a will to win but very few have the will to prepare to win