 # Quantitative Aptitude Questions and Answers for SBI Clerk Pre 2020 with PDF for IBPS Clerk Pre 2020, IBPS RRB Clerk at Smartkeeda

Important for :
1
Jai sold a laptop to Veeru at a profit of 20%. Later on Veeru sold it back to Jai at a profit of 25%, thereby gaining Rs.750. What is the original price of laptop?

» Explain it
D
Let the original price of laptop = Rs. x

Jai sold it to Veeru for x × 120% = Rs.1.2x

Veeru sold it back to Jai for 1.2x × 125% = Rs. 1.5x

Profit of Veeru = 1.5x – 1.2x

750 = .3x

x = Rs. 2500

Hence, option D is correct.
2
A milkman has 2 jar of milk of same quantity. In the first jar, water is 20% and rest is milk and in the second jar, water is 35% and rest is milk. He mixed the both mixture. Find the ratio of milk and water in the final mixture.
» Explain it
D
In first jar Ratio of Milk and Water = 80 : 20 = 4 : 1

In second jar Ratio of Milk and Water = 65 : 35 = 13 : 7

Assume the capacity of the two jar is 20 litres.

 = 20 × 4 + 20 × 13 : 20 × 1 + 20 × 7 5 20 5 20

= (16 + 13) : (4 + 7) =  29 : 11

Hence, option D is correct.
3
X can do a piece of work in 20 days and Y can do the 1/7th of the same work in 5 days. In how many days together they can complete the 11/14th of the total work?
» Explain it
D
X can do the work in 20 days.

In one day X can do the 1/20th of the work.

Y can do the 1/7th of the work in 5 days, so he can do the same work in 7 × 5 = 35 days.

In one day Y can do the 1/35th of the work.

In one day X and Y together can do the 1/20+ 1/35 work

 = 1 + 1 = 7 + 4 = 11 th work 20 35 140 140

11/140 work is done in 1 day

 11 work is done in 140 × 11 = 10 days 14 11 14

Hence, Option D is correct.
4
Akansha purchased two macbooks on the same cost price. She sold first at a 8% loss and second at a 10% profit. If the difference between the selling price is Rs. 1080, find the cost price of both macbooks.
» Explain it
C
Let the cost price of the macbook is Rs. x.

As per the statement given in the question:

x × 110 % – x × 92 % = 1080

(110 × x – 92 × x) ÷ 100 = 1080

110 × x – 92 × x = 1080 × 100

18 × x = 108000

x = Rs. 6000

Cost Price of both macbooks is 6000 + 6000 = Rs. 12000

Hence, Option C is correct.
5
Satyam invested Rs. 2250 in a business and after some time Sundar also join him and invested Rs. 2500. At the end of year Sundar received Rs. 2750 profit out of Rs. 6050. After how much time did he join the business?
» Explain it
E
Satyam's Profit = 6050 - 2750 = Rs. 3300

Sundar's profit = Rs. 2750

Ratio of the profit = 3300 : 2750 = 6 : 5

Because the ratio of the capital is equals to the ratio of the profit then,

2250 × 12 : 2500 × x = 6 : 5

5 ( 2250 × 12) = 6 ( 2500 × x)

x = 9 months

So Sundar invested after 3 months.

Hence, option E is correct.

### Quantitative Aptitude for SBI Clerk Pre 2020 | Daily Quiz 5

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Quantitative Aptitude is one most important section when it comes to SBI Clerk Exams, you can’t neglect it. So be sure you are ready to improve your mathematical skills with help of these quizzes, we at Smartkeeda will give you important Quantitative Aptitude Quizzes for SBI Clerk Pre 2020 which through you becomes confident towards you quant section preparation. If you devote more time to this section you get more marks because answers of the quantitative aptitude section are surer than answers of reasoning section. Here are some important links for the individual exercise of different Quantitative Aptitude Chapters.

Quantitative Aptitude for SBI Clerk 2020 consist of given below chapters:

Quantitative Aptitude is a very interesting topic when it comes to SBI Clerk Prelims preparation. If you don’t find the Quantitative Aptitude section interesting, it simply means you have not tried to understand it. At Smartkeeda you will get Quant Questions Quiz on regular basis for SBI Clerk 2020. So that will create interest with fun towards the Quant section.

Here are some important examples regarding Quantitative Aptitude for SBI Clerk 2020 with PDFs.

Q.1. Jai sold a laptop to Veeru at a profit of 20%. Later on Veeru sold it back to Jai at a profit of 25%, thereby gaining Rs.750. What is the original price of laptop ?

Rs. 20000
Rs. 3000
Rs. 5000
Rs. 2500
None of these

Explanation:  Let the original price of laptop = Rs. x

Jai sold it to Veeru for x × 120% = Rs.1.2x

Veeru sold it back to Jai for 1.2x × 125% = Rs. 1.5x

Profit of Veeru = 1.5x – 1.2x

750 = .3x

x = Rs. 2500

Hence, option D is correct.

Q.2. A milkman has 2 jar of milk of same quantity. In the first jar, water is 20% and rest is milk and in the second jar, water is 35% and rest is milk. He mixed the both mixture. Find the ratio of milk and water in the final mixture.

2.1
3.2
11.3
29.11
None of these

Explanation:  In first jar Ratio of Milk and Water = 80 : 20 = 4 : 1

In second jar Ratio of Milk and Water = 65 : 35 = 13 : 7

Assume the capacity of the two jar is 20 litres.

 = 20 × 4 + 20 × 13 : 20 × 1 + 20 × 7 5 20 5 20

= (16 + 13) : (4 + 7) =  29 : 11

Hence, option D is correct.

Q.3.  X can do a piece of work in 20 days and Y can do the 1/7th of the same work in 5 days. In how many days together they can complete the 11/14th of the total work?

140/11 days
15 days
20 days
10 days
None of these

Explanation: X can do the work in 20 days.

In one day X can do the 1/20th of the work.

Y can do the 1/7th of the work in 5 days, so he can do the same work in 7 × 5 = 35 days.

In one day Y can do the 1/35th of the work.

In one day X and Y together can do the 1/20+ 1/35 work

 = 1 + 1 = 7 + 4 = 11 th work 20 35 140 140

11/140 work is done in 1 day

 11 work is done in 140 × 11 = 10 days 14 11 14

Hence, Option D is correct.

All the above questions through, you must make sure about arithmetic miscellaneous questions which have been seen in the last few years. We hope this above Quantitative Aptitude for SBI Clerk 2020 will clear your all doubts regarding bank clerk exams.

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