# RRB NTPC - Profit and Loss

1.

A single discount equivalent to successive discount of 20%, 10% is

A.) 72%
B.) 28%
C.) 32%
D.) 76%

(90 × 80)/100 = Rs.72/-
100 - 72 = 28 % = Discout

2.

Meenal purchased a car for Rs.250000 and sold it for Rs.348000. What is the percent profit she made on the car?

A.) 40
B.) 39.2
C.) 38.4
D.) 38

Actual profit = 348000 - 250000 = 98000.
So, the Profit percent = 98000 × 100/250000 = 39.2%

3.

Mr. Baljit purchased 100 pieces of an article at the rate of Rs.480 per piece. He then listed the price so as to gain a profit of 25%. While selling the articles he offered a discount of 5%. What is the percentage of profit earned in the deal?

A.) 20.00
B.) 15.00
C.) 15.79
D.) 18.75

CP = Rs.480
:. Marked SP = Rs.480 + 25 x 480/100 = Rs.480 + 120 = Rs.600.
Actual SP = Rs.600 – 30 = Rs.570.
Profit = 570 – 480 = Rs.90.
Percentage profit = 90 x 100/480 = 18.75%.

4.

By selling an article for 480 a person lost 20%. For what should he sell it to make a profit of 20%?

A.) 800
B.) 760
C.) 720
D.) Rs.680

Here SP = 80% of CP = 480
:. CP = 480 × 100/80 = 600.
For a profit of 20 % it should be = 600 × 120/100 = 720.

5.

If the cost of 10 tables and 15 chairs is Rs.20000 what will be the cost of tables and 21 chairs?

A.) Rs.27500
B.) Rs.28000
C.) Rs.32000
D.) Rs.36000