Quantitative Aptitude Quiz For IBPS PO Mains: 16th October

Directions (1-5): Given below is the percentage of workers in 5 different companies and the ratio of males to females in un-educated and educated category. Study the table carefully and answer the following questions: 
Note- There are only un-educated and educated workers in each company. 

Q1. If no. of un-educated female workers of company D is 2000 and total no. of workers of company C is 20% less than that of D, then find the total no. of educated workers in company C?

Solution:

Q2. If educated male in company D and A are in ratio 4 : 3, Then no. of workers of company D is what percent of that of A?

Solution:

Q3. If there are 2.4 thousand educated males in company B and 4 thousand un-educated females in company D then find ratio of no. of workers in company B to the no. of workers in company D?

Solution:

Q4. What is approximate no. of un-educated female workers of company E if total educated females in that company is 1 thousand? (in thousand)

Solution:

Q5. If no. of workers in companies A and C is 6 and 8 thousand respectively, then un-educated female workers of company C is what percent less/more than educated male workers of company A? (rounded off to two decimal places)

Solution:

Q6. The simple interest accrued on a sum of certain principal is Rs. 2000 in five years at the rate of 4 p.c.p.a. What would be the compound interest accrued on same principal at the same rate in two years?

Solution:

Q7. A vessel contains 100 litres mixture of milk and water in the respective ratio of 22 : 3. 40 litres of the mixture is taken out from the vessel and 4.8 litres of pure milk and pure water each is added to the remaining quantity of mixture. By what percent quantity of water is less than the quantity of milk in final mixture?

 

 

 

 

 

Solution:

Q8. In a vessel, there is a mixture of apple, orange and mango juices in the ratio of 3 : 5 : 4 respectively. A quantity of 12 litres from the mixture is replaced by 8 litres of apple juice. Thereafter the quantities of apple and orange juices in the resultant mixture become same. Find out the initial quantity of mixture in the vessel.

Solution:

Q9. A jar has 60 litres of milk. From the jar, 12 litres of milk was taken out and replaced by an equal amount of water. If 12 litres of the newly formed mixture is taken out of the jar, what is the final quantity of milk left in the jar?

Solution:

Q10. A school team has 8 volleyball players. A five members team and a captain will be selected out of these eight players. How many different selections can be made?

Solution:

Directions (11-15): Two equations I and II are given below in each question. You have to solve these equations and give answer 

Q11. 

Solution:

Q12. 

Solution:

Q13. I. 2x + 3y = 4 
         II. 3x + 2y = 11

Solution:

Q14. 

Solution:

Q15. 

Solution:

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