Tech Mahindra
Company
Numerical Ability
Profit and Loss
Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book?
a) Rs.45
b) Rs.60
c) Rs.55
d) Rs.58
Read Solution (Total 9)
-
- -5-----------------------5-------------------20
5-(-5) = 10
20-5= 15
3:2 ratio
so (3/5)* 100 = 60rs - 8 years agoHelpfull: Yes(7) No(1)
- .95x+(100-x)*1.2=105
solve above equation and will get value of X
X=60 ans - 8 years agoHelpfull: Yes(2) No(1)
- @Sowmya: Good way of solving..! option b)60
- 8 years agoHelpfull: Yes(2) No(0)
- @Meesum Hyder : that 3/5 is obtained from the ratio 3:2
first book cost 3/5*100
Part of the first book/total part*cp - 8 years agoHelpfull: Yes(2) No(0)
- @sowmya..how do you got 3/5 in the solution please explain
- 8 years agoHelpfull: Yes(1) No(0)
- Rs:-55
- 8 years agoHelpfull: Yes(0) No(2)
- 35 means
what is the cost of first book
-5-----------------------5-------------------20
5-(-5) = 10
20-5= 15
3:2 ratio
so (3/5)* 100 = 60rs
first book means 3
then 3+2=5
3/5*100=60
- 8 years agoHelpfull: Yes(0) No(0)
- 45
45+100+7875 - 6 years agoHelpfull: Yes(0) No(0)
- x+y=100 ......1
95x/100 + 120y/100 =105......2
solve eq 2
19x+24y=2100
multi eq 1 with 19
So
Add Eq 1 and Eq 2
y=40
x=60 - 4 years agoHelpfull: Yes(0) No(0)
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