model 2 gain lost percentage Section-Wise Topic Notes With Detailed Explanation And Example Questions

MOST IMPORTANT quantitative aptitude - 11 EXERCISES

Top 10,000+ Aptitude Memory Based Exercises

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

Questions : The cost price of 20 oranges is same with selling price of 16 oranges. The profit percentage is

(a) 30%

(b) 20%

(c) 16%

(d) 25%

The correct answers to the above question in:

Answer: (d)

Gain per cent = ${20 - 16}/16 × 100 = 25%$

Using Rule 8,

Here, x = 20, y = 16

Gain % = $({x - y}/y) × 100$

= ${20 - 16}/16 × 100 = 4/16 × 100 = 25%$

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Read more gain lost percentage Based Quantitative Aptitude Questions and Answers

Question : 1

If the cost price of 50 oranges is equal to the selling price of 40 oranges, then the profit per cent is

a) 5%

b) 10%

c) 25%

d) 20%

Answer: (c)

Let the C.P. of one orange = 1

C.P. of 40 oranges = Rs.40

and S.P. of 40 oranges = Rs.50

Profit = (50 - 40) = Rs.10

Profit % = $10/40 × 100$ = 25%

Using Rule 8,

Here, x = 50, y = 40

Profit % = $({x - y}/y) × 100$

= $({50 - 40}/40) × 100$ = 25%

Question : 2

If the selling price of 4 articles is equal to the cost price of 5 articles, the profit percent is

a) 20%

b) 22$1/2$%

c) 30%

d) 25%

Answer: (d)

If the CP of each article be Rs.1 then

CP of 4 articles = Rs.4

SP of 4 articles = Rs.5

Profit percent = ${5 - 4}/4 × 100 = 25%$

Using Rule 8,

Here, x = 5, y = 4

Profit % = $({x - y}/y) × 100$

= $({5 - 4}/4) × 100 = 100/4$ = 25%

Question : 3

The cost price of 18 articles is equal to the selling price of 15 articles. The gain per cent is :

a) 15%

b) 20%

c) 18%

d) 25%

Answer: (b)

Gain % = ${18 - 15}/15 × 100$

= $3/15 × 100 = 20%$

Using Rule 8,

Here, x = 18, y = 15

Gain% = $({x - y}/y) × 100$

= $({18 - 15}/15) × 100$

= $3/15 × 100$ = 20%

Question : 4

A sold an article to B at 20% profit and B sold to C at 15% loss. If A sold it to C at the selling price of B, then A would make

a) 5% profit

b) 2% profit

c) 5% loss

d) 2% loss

Answer: (b)

C.P. of article for A = Rs. 100

A’s S.P. = ${100 × 120}/100$ = Rs. 120

B’s S.P. = ${120 × 85}/100$ = Rs. 102

= C.P. for C

Required profit percent = 2%

Question : 5

The cost price of 400 lemons is equal to the selling price of 320 lemons. Then the profit percent is

a) 15%

b) 20%

c) 40%

d) 25%

Answer: (d)

Profit percent = ${400 - 320}/320 × 100$

= $80/320 × 100 = 25%$

Using Rule 8

Here, x = 400, y = 320

Gain % = $({x - y}/y) × 100$

= ${400 - 320}/320 × 100 =80/320 × 100 = 25%$

Question : 6

If the cost price of 15 tables be equal to the selling price of 20 tables, the loss per cent is :

a) 20%

b) 30%

c) 37.5%

d) 25%

Answer: (d)

Let the cost price of one table = x

Cost price of 15 tables = 15x

and cost price of 20 tables = 20x

According to the question Selling price of 20 tables

= cost price of 15 tables = 15x

Loss = 20x - 15x = 5x

Loss% = ${5x × 100}/{20x} = 25%$

Using Rule 8,

Here, x = 15, y = 20

Loss % = ${x - y}/y × 100$

= $({15 - 20}/20) × 100$

=${-5}/20 × 100 = -25%$

(–ve sign shows loss)

= 25%

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