Percentage For SBI PO : Set – 15

1) The total number of students in a school is 5600 out of which 60% are boys what is the total number of girls in this school?

a) 2240

b) 3360

c) 2860

d) 3240

e) None of these

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a)

Total number of students in a class=5600

Total number of boys = 60%

So total number of girls = 40%

40% of (5600) = 2240

2) If a man after spending 85% of the income he saves Rs. 4560 per month, his monthly income is

a) Rs. 32800

b) Rs. 31600

c) Rs. 30400

d) Rs. 29600

e) None of these

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C)

Man spending income = 85%

So savings = 15%

15% of x = 4560

X= 30400

3) It is known that 6% of the mangoes are rotten. If the number of rotten mangoes is 54, then the total number of mangoes is

a) 900

b) 950

c) 1010

d) 1040

e) 1080

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a)

6% of rotten mangoes are 54

So total number of mangoes = 6% of (x) =54

X = 900

4) A fruit seller had some oranges. He sells 35% oranges and still has 390 oranges. Originally he had

a) 620

b) 550

c) 600

d) 520

e) None of these

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C)

Sold oranges = 35%

Total number of oranges = 100 – 35 = 65%

Remaining oranges =390

65% of X = 390

X=600

5) In an examination 90% of the students passed and 240 failed. How many students appeared for the examination?

a) 2360

b) 2400

c) 2450

d) 2520

e) 2580

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b)

Percentage of passed students = 90%

Number of failed students = 240

10 % of x = 240

X = 2400

6) In a class of 60 students, each student got sweets that are 15% the total number of students. How many sweets were there?

a) 540

b) 520

c) 550

d) 580

e) 510

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a)

Total number of students = 60

Each student got 15% of total number of students

So we get 15% of (60) = 9

7) In a class of 60 students and 6 teachers, each student got sweets that are 20% of the total number of students and each teacher got sweets that are 25% of the total number of students. How many sweets were there?

a) 875

b) 840

c) 810

d) 860

e) 895

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c)

Number of sweets students got = 60*(20 % of (60)) = 720

Number of sweets Teachers got = 6 *(25% of (60)) = 90

Total number of sweets = 720 + 90 = 810

8) 720 sweets were distributed equally among children in such a way that number of sweets received by each child is 20% of the total number of children. How many sweets did each child receive?

a) 8

b) 10

c) 9

d) 12

e) None of these

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d)

9) A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

a) 45%

b) 54 6/11%

c) 55%

d) 48%

e) 45  5/11%

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e)

Explanation

 10) The difference between a number and its two-fifth is 510. What is 10% of that number?

a) 12.75

b) 85

c) 204

d) 78

e) None of these

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b)

Let the number be x. Then,

x – 2/5 x = 510

x = (510 * 5)/3 = 850

10% of 850 = 85.