SBI PO Quantitative Aptitude For Prelims: 22nd February

Dear Aspirants,

Quantitative Aptitude Quiz For SBI PO 

Q1. A milkman has 20 L of pure milk. He sells 5 L of it at profit of 20% and he mixes 5 L water in remaining quantity of milk. If he sells whole quantity of mixture at cost price then find his percentage profit?

Solution:

Q2. The sum of the radius and height of a cylinder is 18m. The total surface area of the cylinder is 792 m², what is the volume of the cylinder ? (in m³)

Solution:

Q3. In a 90 litre mixture of milk and water, percentage of water is only 30%. The milkman gave 18 litres of this mixture to a customer and then added 18 litres of water to the remaining mixture. What is the percentage of milk in the final mixture ?

Solution:

Q4. If the area of a circle is 616 cm², what would be the total surface area of a hemisphere having the same radius as the circle ?

Solution:

Q5. There are two mixtures of honey and water, the quantity of honey in them being 40% and 75% of the mixture respectively. If 5 gallons of the first are mixed with 8 gallons of the second, what will be the ratio of honey to water in the new mixture ?

Solution:

Directions (6-10): There are total five departments in a company. There are total 90 employees in Finance department which is 25% of total employees in the company. 2/9 of the total employees of the company are working in HR department. Employees working in Sales department is 25% more than that in HR department. Ratio between employees working in Security and Housing department is 4 : 5. 

Q6. Find number of employees working in HR department is what percent more than number of employees working in Security department?

Solution:

Q7. Find the average number of employees working in Sales, Finance and Housing department?

Solution:

Q8. Number of employees in Housing department is how much more than number of employees in Security department?

Solution:

Q9. In Security department, 40% are female employees then find total male employees working in Security department?

Solution:

Total number of male employees working in Security department = 60/100×40=24

Q10. Ratio between total number of male and female employees in HR department is 2 : 3. Find total number of female employees working in HR department?

Solution:

Total number of female employees working in HR department = 3/5 × 80=48

Directions (11-15): In each of the following questions two equations are given. Solve the equations and give answer—

Q11. 

Solution:

Q12.

Solution:

Q13.

Solution:

Q14.

Solution:

Q15.

Solution:

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