Elitmus
Exam
Numerical Ability
Profit and Loss
Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the
effective discount
Read Solution (Total 6)
-
- 2 item cost=900 x 2=1800
discount:6/100 x 1800=108
and 3 item cost=900 x 3=2700
discount:12/100 x 2700 =324
total discount=324+108=432
so y % of (900 x 5)=432 where y is effective discount
y=(432 x 100) /4500 =9.6%(ans) - 7 years agoHelpfull: Yes(16) No(0)
- Discount on 2 items =6*2=12
Similarly for 3 items =12*3 =36
Now Avg discount for all 5 items =(12+36)/5=48/5=9.6% - 7 years agoHelpfull: Yes(4) No(0)
- Successive discount formula could be applied when amount is same so don,t apply that
go through SWATI's way she is right - 7 years agoHelpfull: Yes(3) No(0)
- total discount= 2*6 + 12*3 = 48%
no. of item= 5
effective discount = 48/5 = 9.6% - 6 years agoHelpfull: Yes(1) No(0)
- Use successive discount formula.. U will get 10.8%
- 7 years agoHelpfull: Yes(0) No(2)
- discount on 2 items= 1800*6/100= 108
discount on 3 items= 2700*12/100=324
total discount =108+324=432
hence effective discount on 5 items= x
432=4500*x/100 ie x=9.6% - 6 years agoHelpfull: Yes(0) No(0)
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