Quantitative Aptitude is a very important section you must prepare if you are aiming for a job in bank or insurance sector. These two weeks are very important as IBPS RRB PO and Office Assistant (Clerk) Exams are lined up. So, these 15 questions can help you practice three very important topics of Quant Section.

Directions (1-5): What will come in place of the question mark (?) in the following question?

Q6. The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 in place of 72 and 61 respectively, then what would be the correct average?
(a) 68.5
(b) 69
(c) 69.5
(d) 70
(e) 66

Q7. The total marks obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What are the average marks obtained by him in Physics and Mathematics together?
(a) 60
(b) 12
(c) 40
(d) Cannot be determined
(e) None of these

Q8. Ram’s present age is three times his son’s present age and two-fifths of his father’s present age. The average of the present age of all of them is 46 years. What is the difference between Ram’s son’s present age and Ram’s father’s present age?
(a) 68 years
(b) 88 years
(c) 58 years
(d) Cannot be determined
(e) None of these

Q9. The average weight of 45 students in a class was calculated as 36 kg. It was later found that the weight of two students in the class was wrongly calculated. The actual weight of one of the boys in the class was 32 kg., but it was calculated as 34 kg. and the weight of another boy in the class was 45 kg., whereas it was calculated as 40 kg. What is the actual average weight of the 45 students in the class?  (Rounded off to two-digits after decimal)
(a) 36.07kg.
(b) 36.16 kg.
(c) 35.84 kg.
(d) Cannot be determined
(e) None of these

Q10. The average score of Rahul, Manish and Suresh is 63. Rahul’s score is 15 less than Ajay and 10 more than Manish. If Ajay scored 30 marks more than the average score of Rahul, Manish and Suresh, what is the sum of Manish’s and Suresh’s scores?
(a) 120
(b) 111
(c) 117
(d) Cannot be determined
(e) None of these

Directions (11-15): Study the following table carefully and answer the following question.

The table represents the cost of production and profit percentages over the years 2012 to 2016 of two companies Reliance and Bharati Airtel.

Note:- A few values are missing. It is expected that the candidate should calculate the missing values if it required to find the answer for the questions given below.
Profit = Sales – cost of production

Profit % =(Profit/(Cost of production))×100 %

Q11. If the profit for the year 2016 of company Bharati Airtel is Rs. 174 lakhs, what will be the average of values of profit percentage over all the years
(a) 42
(b) 30
(c) 41
(d) 37
(e) None of these

Q12. If the total sales of company Reliance and Airtel in 2013 is Rs. 890 lakhs and total cost of production of Reliance and Airtel in the year 2013 is 700 lakhs and also the cost of production of Airtel in 2013 is same as that of Reliance in 2014 then what is the ratio of profit of Reliance and Airtel in the same year?
(a) 9: 4
(b) 5: 9
(c) 4: 5
(d) 10: 11
(e) Can’t be determined

Q13. Find the average of sales of company BharatiAirtel in 2014 and 2015 together?
(a) Rs. 579 lakhs
(b) Rs. 527 lakhs
(c) Rs. 677 lakhs
(d) Rs. 585 lakhs
(e) Rs. 713 lakhs

Q14. For company  Reliance, if the ratio of profits in 2012 and 2013 is 64: 51, then what is the cost of production in 2013 (in lakh)?
(a) Rs. 340
(b) Rs. 240
(c) Rs. 260
(d) Rs. 220
(e) None of these

Q15. If the cost of production of Reliance is decreased by 20% in 2017 than 2016 and sales of the same company increased by 25% in 2017 over 2016 then what will be the profit of company Reliance in 2017(in lakhs)?
(a) 420.75
(b) 425.5
(c) 435
(d) 450
(e) None of these

We will be updating the detailed solutions shortly......

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