Quantitative Aptitude

Bar Graphs

Read aptitude tutorial of Bar and Graphs, Bar and Graph tutorial for exams, Bar and Graph questions for Bank PO, Bar and Graph questions for MBA exams, Bar and Graph questions for MAT CAT IIFT Campus Placement exams, Bar and Graph tutorial for SSC RRB IGNOU Hotel Management exms, Bar and Graph questions asked in Wipro TCS Accenture Infosys HCL campus exam

Ex. Production of steel by six different companies in three cosecutive years 1994-95-96( In Lakh Tonnes ) are being given

Q(1) What is the difference between average production of the six companies in 1995 and average production of the same companies in 1994 ?

Solution : Sum of production in 1995= 55+55+40+70+70+45=335

Sum of production in 1994=50+45+30+50+70+35=280

Difference=916666 tonnes.

Q(2) What is the % decline in production by company C from 1995 to 1996 ?

Solution :For company c production in 1995= 40 and in 1996=35

Q(3) Which of the following companies recorded the minimum % growth from 1994 to 1995 ? (a) A (b) B (c) C (d) D (e) F

Solution :On seeing graph it is clear that company E has recorded minimum growth from 1994 to 1995

Q(4) Production of company ' C ' in 1995 and production of company ' F ' in 1994 together is what % of production of B in 1996 ?

Solution : Production of C in 1995 = 40 , Production of F in 1994 = 35

Sum = 75, production of B in 1996 = 60

Q(5) In which of the following pairs of companies the difference between average production for the three years is maximum ? (a) E and F (b) D and F (c) E and C (d) A and E (e) None of these

Solution : From the graph we can see that highest production average is for company E and Lowest production average is for company C, so difference between average production for the three years is maximum for company E and C, So, option (c) is correct

Ex. Toatal sale of English and Hindi Newspapers in Five different Localities of a city are given. ( Note : Do not get confused by axis of data, it is shown in cylendrical way, so value is same as shown in y axis )

Q(1) What is the difference between the total sale of english Newspapers and total sale of Hindi newspapers in all the localities together ?

(a) 6000 (b) 6500(c) 70000(4)7500(5) None of these

Solution : Total Sum of all the English News papers = 7500 + 9000 + 9500 + 7000 + 6500 = 39500

Total Sum of all the Hindi News papers = 5500 + 8500 + 4500 + 9500 + 5000 = 33000

Difference = 39500 - 33000 = 6500, so option (b) is correct

Q(2) The sale of English News paper in locality A is approximatley what % of the total sale of english newspapers in all the localities together ? (a) 527 (b) 25(c) 111(4)236(5) 19

Solution : Total sum of sale of english newspapers in all the localities together = 39500 as calculated above

Sale of English News paper in locality A = 7500 ( from fig. above )

So option (5) is correct.

Q(3) What is the respective ratio of the sale of Hindi Newspapers in locality A to the sale of Hindi Newspapers in locality D(a) 11 : 19 (b) 6 : 5(c) 5 : 6(4)19 : 11(5) None of these

Solution :sale of Hindi Newspapers in locality A=5500

sale of Hindi Newspapers in locality D=9500

So, option (a) is correct

Q(4) The sale of English Newspaper in localities B and D together is approximately what % of the sale English Newspaper in localities A, C and E together ?(a) 162 (b) 84(c) 68(4)121(5) 147

Solution : Sum of the sale of English Newspaper in localities B and D together = 9000 + 7000 = 16000

Sum of the sale of English Newspaper in localities A, C and E together = 7500 + 9500 + 6500 = 23500

So, option (c) is correct

Q(5) What is the average sale of hindi news papers in all the localities together ? (a) 6600 (b) 8250(c) 5500(4)4715(5) None of these

Solution : Sum of the sale of Hindi Newspapers in all localities = 33000 as calculated in Q(1)

So, option (a) correct