work problem

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Chrystelle: Junior | Next Rank: 30 Posts; Posts: 19; Joined: Thu Dec 07, 2006 3:20 am

by Chrystelle » Fri Jan 12, 2007 6:56 am

Could you help me with this?

Q178.The salary of a laborer is in direct proportion to the number of toys he makes and the number of hrs he spends on the job. What would be the salary of the laborer if he works for 8 hrs and creates 15 toys.
1) He gets $20 for creating 3 toys in 1 hour
2) He gets $45 for creating 8 toys in 2 hours

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Source: Beat The GMAT — Problem Solving | Fri Jan 12, 2007 6:56 am

harsh.champ: Legendary Member; Posts: 1132; Joined: Mon Jul 20, 2009 3:38 amFollowed by: 6 members; Location: India; Thanked: 64 times; GMAT Score:760

by harsh.champ » Fri Mar 12, 2010 7:02 am

Chrystelle wrote:Could you help me with this?

Q178.The salary of a laborer is in direct proportion to the number of toys he makes and the number of hrs he spends on the job. What would be the salary of the laborer if he works for 8 hrs and creates 15 toys.
1) He gets $20 for creating 3 toys in 1 hour
2) He gets $45 for creating 8 toys in 2 hours

Salary = x*T*H (N = no. of toys he makes T=no.of hrs he spends on job)

St 1:-
20 = x*3*1
x= 20/3 sufficient.

(Dont carry over the 1st statement over here)

St 2:-
45 = x*8*2
Hence sufficient.

Answer-"D"

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