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15 Jul 2026, 23:28
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mural=1
Maya 25%:1/4
Felix 50%:1/2
Nora 25%:1/4
let time be M, F, N
since N=2
Maya shift was 50% of total time
M=1/2(M+F+N), N=2
2M=M+F+2
2M-M=F+2
M=F+2
time for m+f
Time=1/(1/4)/M+(1/2)/f
I need actual answers of M and F
Statement 1
Felix -4hrs, F=4, M=F+2=6
Rate M= (1/4)/6=1/24, Rate F=(1/2)/4=1/8
comb R=1/24+1/8=4/24=1/6
together Time=1/(1/6) =6hrs Sufficient
Statement 2
M+N=2F
N=2
M+2=2F
together M=F+2
F+2+2=2F
2+2=2F-F
F=4, M=6
Same answer M=6 as statement 1
sufficient
ANS: D
Maya 25%:1/4
Felix 50%:1/2
Nora 25%:1/4
let time be M, F, N
since N=2
Maya shift was 50% of total time
M=1/2(M+F+N), N=2
2M=M+F+2
2M-M=F+2
M=F+2
time for m+f
Time=1/(1/4)/M+(1/2)/f
I need actual answers of M and F
Statement 1
Felix -4hrs, F=4, M=F+2=6
Rate M= (1/4)/6=1/24, Rate F=(1/2)/4=1/8
comb R=1/24+1/8=4/24=1/6
together Time=1/(1/6) =6hrs Sufficient
Statement 2
M+N=2F
N=2
M+2=2F
together M=F+2
F+2+2=2F
2+2=2F-F
F=4, M=6
Same answer M=6 as statement 1
sufficient
ANS: D
15 Jul 2026, 23:39
Kudos
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Consider 1st statement:
If felix worked for 4 hours maya worked for 6 hours. Since you have all rate of work, unit rate can be caculated and ultimately give you required hours.
Sufficient
For 2nd statement:
We get 2 equations : 2f=m+2, 2f+2=2m. Solving this gives f=4, so again all rates are available and hence the required hours.
Sufficient.
Hence the answer is D. Both are independently sufficient.
If felix worked for 4 hours maya worked for 6 hours. Since you have all rate of work, unit rate can be caculated and ultimately give you required hours.
Sufficient
For 2nd statement:
We get 2 equations : 2f=m+2, 2f+2=2m. Solving this gives f=4, so again all rates are available and hence the required hours.
Sufficient.
Hence the answer is D. Both are independently sufficient.
16 Jul 2026, 00:34
Kudos
Bookmarks
We can let M, F, and N represent the hours for each person. N painted 25% of the mural in 2 hours
M took 50% of total shift time so M = (1/2)(M+F+N) and M =F + N = F +2.
Statement one says F worked for 4 hours so we know M = 4 + 2 =5. F completed 50% of the mural in 4 hours so his rate is 1/8 (murals/hours). M did .25 in 6 hours so her rate is 1/24. The rate together equals (1/24)+(1/8) = (1/6) so it takes them 6 hours to do a mural. Statement 1 is sufficient
Statement 2 says M + N = 2F, so M +2 = 2F since M = F +2 we can plug that in to get F+2 +2 = 2F then F = 4. then the same logic follows as statement one after we plug F into M = F +2 and you still get 6 hours.
Each statement alone is sufficient
M took 50% of total shift time so M = (1/2)(M+F+N) and M =F + N = F +2.
Statement one says F worked for 4 hours so we know M = 4 + 2 =5. F completed 50% of the mural in 4 hours so his rate is 1/8 (murals/hours). M did .25 in 6 hours so her rate is 1/24. The rate together equals (1/24)+(1/8) = (1/6) so it takes them 6 hours to do a mural. Statement 1 is sufficient
Statement 2 says M + N = 2F, so M +2 = 2F since M = F +2 we can plug that in to get F+2 +2 = 2F then F = 4. then the same logic follows as statement one after we plug F into M = F +2 and you still get 6 hours.
Each statement alone is sufficient
