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Quant Questions For IBPS RRB PO Mains Exam 2016

Quant Questions For IBPS RRB PO Mains Exam 2016 |_20.1
Q1. If the algebraic sum of deviations of 20 observations measured from 23 is 80, Then the mean of these observations would be 
(a) 20
(b) 22
(c) 24
(d) 26
(e) None of the above 

Q2. The average of four consecutive numbers W, X, Y and Z is 50. What is the product of X and Z? (appx.)
(a) 2459
(b) 2350
(c) 2450
(d) 2549
(e) None of the above 
Q3. The average marks of 40 students are 45 but after checking, two student’s marks were corrected. After correction, if a student got 45 more marks and other student got 15 less marks, then what will be the adjusted average? 
(a) 55
(b) 54
(c) 57
(d) 58
(e) 59
Q4. The average weight of 21 girls was recorded as 64 kg. If the weight of the Maths teacher was added, the average increased by two kg. What was the teacher’s weight? 
(a) 86 kg
(b) 92 kg
(c) 98 kg
(d) 108 kg
(e) 114 kg 
Q5. The average temperature of Mount Abu for four days in a particular month is 48°C. If the average temperature of second and third days is 34°C and the ratio of the temperatures of first and fourth days is 9 : 11, then find out the temperatures of first and fourth days(appx.). 
(a) 45°C, 50°C
(b) 32°C, 40°C
(c) 43°C, 68°C
(d) 52°C, 47°C
(e) 56°C, 68°C
Q6. A man travels in his car and covers 1/4 part of his journey with 8 km/h, 3/5 part with 6 km/h and remaining 3/20 part with a speed of 10 km/h. Find out his average speed during the whole journey. 
(a) 6.83 km/h
(b) 8.47 km/h
(c) 9.12 km/h
(d) 8.56 km/h
(e) None of the above 
Q7. The average runs scored by a batsman in 42 innings, is 30. The difference between his maximum and minimum scores in an innings is 100. If these two innings are not considered, then the average score of remaining 40 innings is 28. Calculate the minimum runs scored by him in an innings? 
(a) 25
(b) 20
(c) 10
(d) 15
(e) 5
Q8. The average weight of 4 men A, B, C and D, is 67 kg. The 5th man E is included and the average weigh decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decrease because of the replacement of A and now the average weight is 64 kg. Find the weight of A. 
(a) 78 kg
(b) 66 kg
(c) 75 kg
(d) 58 kg 
(e) None of the above 
Q9. The average weight of the students in four sections A, B, C and D is 60 kg. The average weight of the students of A, B, C and D individually are 45 kg, 50 kg, 72 kg and 80 kg, respectively. If the average weight of the students of section A and B together is 48 kg, and that of B and C together is 60 kg, what is the ratio of the number of students in sections A and D?  
(a) 12 : 7
(b) 4 : 3
(c)3 : 2
(d) 8 : 5
(e) None of the above 
Q10. By selling a table for Rs. 2400, a table maker makes a profit of 25%. Then, his profit percentage, if he had sold it for Rs. 2016, is 
(a) 5 %
(b) 6 %
(c) 7 % 
(d) 8 % 
(e) 9 %
Q11. Rajveer loses 20% by selling a wrist watch for Rs. 768. What per cent will he gain by selling it for Rs. 1080? 
(a) 7.5%
(b) 8.5%
(c) 9.5%
(d) 10.5%
(e) None of the above 
Q12. Meera purchased 23 bracelets at the rate of Rs. 160 per bracelet. At what rate per bracelet should she sell the bracelets so that profit earned is 15%? 
(a) Rs. 184
(b) Rs. 186
(c)Rs. 192
(d) Rs. 198
(e) None of the above 

Q13. The owner of a furniture shop charges his customer 18% more than the CP. If a customer paid Rs. 10207 for a dining table, then find its original price. 
(a) Rs. 9240
(b) Rs. 8650
(c)Rs. 9840
(d) Rs. 7670
(e) None of the above 

Q14. Pankaj purchased an item for Rs. 7500 and sold it at the gain of 24%. From that amount he purchased another item and sold it at the loss of 20%. What is his over all gain/loss?
(a) Loss of Rs. 140
(b) Gain of Rs. 60
(c) Loss of Rs. 60
(d) Neither gain nor loss
(e) None of the above 
Q15. Parul can do a piece of work in 10 days while Qureshi can do it in 15 days. They begin together but 5 days before the completion of the work, Qureshi leaves off. Find the total number of days for the work to be completed. 
(a) 8
(b) 12
(c) 17
(d) 15
(e) None of the above 
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