Quantitative Aptitude Questions for IBPS RRB PO and Clerk Mains 2017

Dear Students,

Q1. Mr. Amit Roy, the renowned author, recently got his new novel released. To his utter dismay he found that for the 850 pages on an average there were 3 mistakes every page. While, in the first  350 pages there were only 550 mistakes, they seemed to increase for the latter pages. Find the average number of mistakes per page for the remaining pages.  
(a) 6
(b) 4
(c) 2
(d) Can’t be determined
(e) None of these

Q2. There are two mixtures of honey and water, the quantity of honey in them being 40% and 75% of the mixture. 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 ?
(a) 11 : 2
(b) 8 : 5
(c) 9 : 11
(d) 2 : 11
(e) None of these

Q3. A and B have some guavas divided between themselves. A says to B “If I give you 20% of the guavas I have, I will still have 20 more guavas than you have.” To this, B says “If you give me guavas equal to 75% of what I have now, I will have 30 more guavas than you have.” What is the total number of guavas that they have ?
(a) 180
(b) 236
(c) 336
(d) 288
(e) None of these

Q4. A manufacturer sells a pair of glasses to a wholesale dealer at a profit of 17%. The wholesaler sells the same to a retailer at a profit of 25%. The retailer in turn sells them to a customer for Rs. 32.76, thereby earning a profit of 40%. The cost price for the manufacturer is 
(a) Rs. 17
(b) Rs. 20
(c) Rs. 16
(d) Rs. 24
(e) None of these

Q5. Rotomac produces very fine quality of writing pens. Company knows that on an average 20% of the produced pens are always defective so are rejected before packing. Company promises to deliver 7500 pens to its wholesaler at Rs. 15 each. It estimates the overall profit on all the manufactured pens to be 25%. What is the manufacturing cost of each pen ?
(a) Rs. 16
(b) Rs. 12
(c) Rs. 9.6
(d) Rs.18
(e) None of these

Q6. David invested certain amount in three different schemes A, B and C with the rate of interest 10% p.a., 12% p.a. and 15% p.a. respectively. If the total interest accrued in one year was Rs. 3200 and the amount invested in Scheme C was 150% of the amount invested in Scheme A and 240% of the amount invested in Scheme B, What was the amount invested in Scheme B?
(a) Rs. 5000
(b) Rs. 6500
(c) Rs. 8000
(d)Cannot be determined
(e)None of these

Q7. A person lent out a certain sum on simple interest and the same sum on compound interest at a certain rate of interest per annum. He noticed that the ratio between the difference of compound interest and simple interest of 3 years and that of 2 years is 25 : 8. The rate of interest per annum is:
(a) 10%
(b) 11%
(c) 12%
(d)121/2%
(e) None of these

Q8. A slab of ice 8 inches in length, 11 inches in breadth, and 2 inches thick was melted and resolidified in the form of a rod of 8 inches diameter. The length of such a rod, in inches, is
(a) 3
(b) 3.5
(c) 4
(d) 4.5
(e) None of these

Q9. Six pipes are fitted to a water tank. Some of these are inlet pipes and the others outlet 
pipes. Each inlet pipe can fill the tank in 9 hrs and each outlet pipe can empty the tank in 6 hrs.
On opening all the pipes, an empty tank is filled in 9 hrs. How many inlet pipes are there?
(a) 2
(b) 4
(c) 3
(d) 5
(e) None of these

Q10. In how many different ways can the letters of the word ‘HAPPYIER’ be arranged?
(a) 12050
(b) 14025
(c) 20160
(d) 70150
(e) None of these

Q11. What is the average no. of vacancies of in company B over all the years
(a) 23000
(b) 25000
(c)  24500
(d) 32000
(e) None of these

Q12. In which year, total vacancies are maximum from all companies together?
(a) 2001
(b) 2002
(c) 2003
(d) 2000
(e) None of these

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