Hello and welcome to exampundit. Today we are sharing an Quantitative Aptitude Quiz for IBPS PO 2018 Prelims Exam.
The following set consists 10 questions on Ratio and Proportion Questions with 10 minutes in hand.
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The following set of quiz is created as per the standards of upcoming IBPS PO Prelims exam 2018.
Quiz Name: Quantitative Aptitude Quiz for IBPS PO Prelims 2018
Time: 10 Minutes
Difficulty Level: Moderate
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Question 1 of 10
1. Question
The ratio of marks obtained by P & Q is 8:7. If the combined average of their percentage is 52.5 and their sum of marks is 525, find the maximum marks for the exam.
Correct
Solution : P:Q = 8:7
So, their individual marks : P= 8/15 * 525 = 280
Q= 7/15 * 525 = 245
Let the maximum marks is x.
(280/x*100) + (245/x*100) / 2 = 52.5
=> x = 500.
Incorrect
Solution : P:Q = 8:7
So, their individual marks : P= 8/15 * 525 = 280
Q= 7/15 * 525 = 245
Let the maximum marks is x.
(280/x*100) + (245/x*100) / 2 = 52.5
=> x = 500.

Question 2 of 10
2. Question
Rs. 558 is divided among three brothers Sanju, Birju, Makhon such that 12 times Sanju’s share is equal to 6 times Birju’s share which is equal to 8 times Makhon’s share. How much Sanju got?
Correct
Solution: 12 Sanju = 6 Birju = 8 Makhon ( LCM = 24)
So, Sanju= 2 , Birju= 4, Makhon = 3
Sanju: Birju: Makhon
2:4:3
Therefore, Sanju’s share is 2/9*558 = 124.
Incorrect
Solution: 12 Sanju = 6 Birju = 8 Makhon ( LCM = 24)
So, Sanju= 2 , Birju= 4, Makhon = 3
Sanju: Birju: Makhon
2:4:3
Therefore, Sanju’s share is 2/9*558 = 124.

Question 3 of 10
3. Question
The monthly salaries of two persons in the ratio 8:9. If each receives an increase of Rs. 20 in the salary, the ratio becomes 25:28. Find their salaries.
Correct
Solution:
(8x + 20) / (9x + 20) = 25/28
=> x = 60
8x= 8 * 60 = 480 & 9x= 9 * 60 = 540
Incorrect
Solution:
(8x + 20) / (9x + 20) = 25/28
=> x = 60
8x= 8 * 60 = 480 & 9x= 9 * 60 = 540

Question 4 of 10
4. Question
The ratio of incomes of A and B is 7:3 and ratio of their expenditures is 9:4. If B saves onefifth of his income, find their ratio of savings.
Correct
Incorrect

Question 5 of 10
5. Question
Some apples are to be distributed among some boys. If two more apples are available, each boy gets six apples. If five less apples are available, each boy gets five apples. How many apples are available?
Correct
Solution: suppose no. of apples = x
So, no. of students – (x+2)/6 = (x5)/5; => x=40
Incorrect
Solution: suppose no. of apples = x
So, no. of students – (x+2)/6 = (x5)/5; => x=40

Question 6 of 10
6. Question
625 ml of a mixture contains milk and water in the ratio 3:2. How much more water is to be added to get a new mixture containing milk and water in the ratio 5:4 ?
Correct
Solution: Quantity of milk = ⅗ * 625 = 375 ml Quantity of water = ⅖ * 625 = 250 ml Let ‘x’ be the quantity that should be added to make the ratio 5:4
According the question;
375/ 250+x = 5/4
=> x= 50
Incorrect
Solution: Quantity of milk = ⅗ * 625 = 375 ml Quantity of water = ⅖ * 625 = 250 ml Let ‘x’ be the quantity that should be added to make the ratio 5:4
According the question;
375/ 250+x = 5/4
=> x= 50

Question 7 of 10
7. Question
Age of P is fourteen times that of Q. After 6 years, P is eight times elder to Q. What is the present age of Q?
Correct
Solution: Let the age of P and Q are x years and y years respectively. Then, (x + 6) = 8(y + 6) ; => 14y + 6 = 8y + 48 ; => 6y = 42; => y = 7. The present age of Q= 7 years
Incorrect
Solution: Let the age of P and Q are x years and y years respectively. Then, (x + 6) = 8(y + 6) ; => 14y + 6 = 8y + 48 ; => 6y = 42; => y = 7. The present age of Q= 7 years

Question 8 of 10
8. Question
Pure milk costs Rs. 65 per litre. After adding water the milkman sells the mixture at the rate of Rs. 50 per litre, thereby making a profit of 25%. In what ratio does he mix the two?
Correct
Mean cost price = 100/125 * 50 = 40/ per litre
By the rule of alligation CP of 1 L milk CP of 1 L water
The required ratio = 40:25 = 8:5
Incorrect
Mean cost price = 100/125 * 50 = 40/ per litre
By the rule of alligation CP of 1 L milk CP of 1 L water
The required ratio = 40:25 = 8:5

Question 9 of 10
9. Question
The ages of A and B are in the ratio of 4:9 respectively. After 9 years the ratio of their ages will be 1:2, what is the difference in their ages?
Correct
Solution: Let the present ages of A & B be 4x and 9x years respectively. After 9 years,
(4x+9) / (9x+9) = ½
=>x= 9
Difference = 9x4x= 5x = 5*9 = 45 years.
Incorrect
Solution: Let the present ages of A & B be 4x and 9x years respectively. After 9 years,
(4x+9) / (9x+9) = ½
=>x= 9
Difference = 9x4x= 5x = 5*9 = 45 years.

Question 10 of 10
10. Question
Divide Rs. 2850 into three parts, such that first part be double that of second part and second part be ⅓ of the third part.Find the Third part amount?
Correct
First: Second: Third = 2:1:3. Third part = 3 * 2850/6 = 1425
Incorrect
First: Second: Third = 2:1:3. Third part = 3 * 2850/6 = 1425
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