Model 1 Basic Concepts of C.P and S.P Section-Wise Topic Notes With Detailed Explanation And Example Questions

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The following question based on profit & loss topic of quantitative aptitude

Questions : Krishnan bought a camera and paid 20% less than its original price. He sold it at 40% profit on the price he had paid. The per centage of profit earned by Krishnan on the original price was

(a) 12%

(b) 32%

(c) 22%

(d) 15%

The correct answers to the above question in:

Answer: (a)

Let the original price be Rs.x.

= $80/100 × x = Rs.{4x}/5$

SP = ${4x}/5 × 140/100 = Rs.{28x}/25$

Gain on original price

=${28x}/25 - x ={3x}/25$

∴ Gain % = ${3x}/{25x}$ × 100 = 12%

Practice profit & loss (Model 1 Basic Concepts of C.P and S.P) Online Quiz

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Read more basic cp and sp Based Quantitative Aptitude Questions and Answers

Question : 1

In terms of per centage profit, which is the best transaction?

  C.P (in Rs.) Profit (in Rs.)
(I) 36 17
(II) 50 24
(III) 40 19
(IV) 60 29

a) III

b) II

c) I

d) IV

Answer: (d)

Using Rule 1,

If S.P > C.P. then there will be profit

Profit = S.P. - C.P.

Profit% = ${\text"Profit" × 100}/{\text"C.P."}$

Note: Both profit and loss are always calculated on cost price only. }

Case I : Per centage Profit

= ${17 × 100}/36$ ≈ 47%

Case II : Per centage Profit

= ${24 × 100}/50 = 48%$

Case III : Per centage Profit

= ${19 × 100}/40 = 47.5%$

Case IV : Per centage Profit

= ${29 × 100}/60 = 48.3%$

Obviously, (d) is the best transaction.

Question : 2

While selling to the retailer, a company allows 30% discount on the marked price of their products. If the retailer sells those products at marked price, his profit % will be :

a) 40%

b) 42$1/7$%

c) 30%

d) 42$6/7$%

Answer: (d)

If the marked price of the product be Rs.100, then

C.P. = Rs.70; S.P. retailer = Rs.100

∴ Gain per cent

= $30/70 × 100 = 300/7= 42{6}/7$%

Question : 3

A fan is listed at Rs.150 and a discount of 20% is given. Then the selling price is

a) Rs.120

b) Rs.150

c) Rs.180

d) Rs.110

Answer: (a)

S.P. of the fan = ${150 × 80}/ 100$ = Rs.120

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