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[WpProQuiz 6784]Â
Directions (Q. 1 – 5) Study the following information carefully and answer the given questions:
The following table shows the percentage of total number of boys passed in the examination out of the total number of students passed from two different colleges in different years.
1) If the total number of girls passed the examination from College A in the year 2012 and College B in the year 2015 is 630 and 660 respectively, then find the ratio between the total number of students passed the examination from College A in the year 2012 to that of total number of students passed the examination from College B in the year 2015?
a) 6 : 7
b) 3 : 2
c) 5 : 4
d) 2 : 1
e) None of these
2) Find the average number of girls passed the examination from college A in the year 2014, 2015, 2016 and 2017 together. The total number of boys passed the examination from college A in the year 2014, 2015, 2016 and 2017 is 3248? (Assume that total number of students passed from College A in all the given years is equal)
a) 788
b) 756
c) 712
d) 694
e) None of these
3) If the total number of boys passed the examination from college B in the year 2013 and 2016 is 528 and 658 respectively, then find the difference between the total number of girls passed the examination from college B in the year 2013Â to that in the year 2016?
a) 150
b) 175
c) 125
d) 200
e) None of these
4) If the total number of students passed the examination from college A in the year 2013 is equal to the total number of students passed the examination from college B in the same year, then find the ratio between the total number of girls passed the examination from college A in the year 2013 to that from college B in the same year?
a) 17 : 15
b) 23 : 22
c) 11 : 9
d) 13 : 8
e) None of these
5) The total number of students passed from college A to that of college B in the year 2017 is same, which is equal to 1000. Find the total number of boys passed the examination from college A and B together in the year 2017?
a) 1060
b) 950
c) 1250
d) 1130
e) None of these
Directions (Q. 6 – 10): Study the following information carefully and answer the given questions?
The following bar graph shows the principle amount (In Rs.) invested by six persons on simple interest and compound interest.
6) If C invested his amount on C.I for 3 years at 5 % per annum and E invested his amount on S.I at 8 % per annum for 4 years, then find the sum of the compound interest of C and the simple interest of E?
a) Rs. 16528.75
b) Rs. 15242.50
c) Rs. 17576.25
d) Rs. 18527
e) None of these
7) The principle amount invested by A, C and F together in simple interest is approximately what percentage of the principle amount invested by B, D and E together in compound interest?
a) 72 %
b) 85 %
c) 96 %
d) 114 %
e) 60 %
8) Find the difference between the simple interest earned by B after 5 years at 6 % per annum to that of compound interest earned by D after 2 years at 8 % per annum?
a) Rs. 4123
b) Rs. 3516
c) Rs. 2879
d) Rs. 3138
e) None of these
9) The total principle amount invested in simple interest is approximately what percentage of the total principle amount invested in compound interest?
a) 85 %
b) 75 %
c) 50 %
d) 100 %
e) 110 %
10) Find the average simple interest earned by B, C, E and F after 3, 4, 5 and 6 years respectively at 10 % per annum?
a) Rs. 21560
b) Rs. 18525
c) Rs. 20875
d) Rs. 23430
e) None of these
Answers :
Direction (1-5) :
1) Answer: c)
The total number of girls passed the examination from College A in the year 2012 = 630
(42/100) * Total students passed from College A in the year 2012 = 630
Total students passed from College A = 630 * (100 / 42) = 1500
The total number of girls passed the examination from College B in the year 2015 = 660
(55/100) * Total students passed from College B in the year 2015 = 660
Total students passed from College B in the year 2015
= > 660 * (100 / 55) = 1200
Required ratio = 1500: 1200 = 5: 4
2) Answer: a)
Let the total number of students passed from College A in all the given years be x,
The total number of boys passed the examination from college A in the year 2014, 2015, 2016 and 2017 = 3248
(42 + 54 + 52 + 55) * (x/100) = 3248
x = 3248 * (100/203) = 1600
The average number of girls passed the examination from college A in the year 2014, 2015, 2016 and 2017 together
= > (58 + 46 + 48 + 45) * (1600/100) * (1/4)
= > 788
3) Answer: d)
The total number of boys passed the examination from college B in the year 2013 = 528
(44/100) * Total students passed from college B in 2013 = 528
Total students passed from college B in 2013 = 528 * (100/44) = 1200
The total number of boys passed the examination from college B in the year 2016 = 658
(47/100) * Total students passed from college B in 2016 = 658
Total students passed from college B in 2016 = 658 * (100/47) = 1400
Required difference = 1400 – 1200 = 200
4) Answer: b)
The total number of students passed the examination from college A in the year 2013 = The total number of students passed the examination from college B in the year 2013 = x
Required ratio = [(46/100) * x] : [(44/100) * x]
= > 46 : 44
= > 23 : 22
5) Answer: a)
The total number of students passed from college A in the year 2017 = 1000
The total boys passed from college A in the year 2017
= > 1000 * (55/100) = 550
The total number of students passed from college B in the year 2017 = 1000
The total boys passed from college B in the year 2017
= > 1000 * (51/100) = 510
Required total = 550 + 510 = 1060
6) Answer: c)
The compound interest of C
= > [10000 * (105/100) * (105/100) * (105/100)] – 10000
= > 11576.25 – 10000 = 1576.25
The simple interest of E
= > [50000 * 8 * 4 / 100]
= > 16000
Required sum = 1576.25 + 16000 = Rs. 17576.25
7) Answer: a)
The principle amount invested by A, C and F together in simple interest
= > 20000 + 30000 + 55000 = 105000
The principle amount invested by B, D and E together in compound interest
= > 40000 + 60000 + 45000 = 145000
Required % = (105000 / 145000) * 100 = 72 %
8) Answer: b)
The simple interest earned by B
= > (45000 * 5 * 6) / 100 = Rs. 13500
The compound interest earned by D
= > [60000 * (108/100) * (108/100)] – 60000
= > 69984 – 60000 = Rs. 9984
Required difference = 13500 – 9984 = Rs. 3516
9) Answer: d)
The total principle amount invested in simple interest
= > 20000 + 45000 + 30000 + 15000 + 50000 + 55000 = Rs. 215000
The total principle amount invested in compound interest
= > 25000 + 40000 + 10000 + 60000 + 45000 + 35000 = Rs. 215000
Required % = (215000 / 215000) * 100 = 100 %
10) Answer: c)
The total simple interest earned by B, C, E and F
= > [(45000 * 10 * 3) / 100] + [(30000 * 10 * 4) / 100] + [(50000 * 5 * 10) / 100] + [(55000 * 10 * 6) / 100]
= > 13500 + 12000 + 25000 + 33000 = Rs. 83500
Required average = 83500/4 = Rs. 20875
