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Data Interpretation
Directions (1 – 5): Study the following information carefully and answer the questions given below?
Pie graphs show the % of applications received from various states in 2017 and 2018
1) What is the difference between the no. of applications received from A and C in 2017 and B, C and F in 2018?
a) 1568
b) 1398
c) 2076
d) 1386
e) None of these
2) If 36% of total no. of applications are rejected in 2017 and no. of applications rejected from D is 194, what is the approximate% of valid applications from D to total no. of applications?
a) 84%
b) 65.44%
c) 52.02%
d) 79.54%
e) None of these
3) What is the ratio of the no. of applications from A and E in 2017 to A, B, D in 2018 if 420 applicants apply from state A instead of E both the years?
a) 84:123
b) 64:161
c) 75:81
d) 72:121
e) None of these
4) If 20% of applicants are male in state D in 2017 and 40% of applicants are female in state C in 2017. The no. of female applicants from D is how much more/less than the no. of male applicants from C?
a) 3278
b) 3192
c) 2059
d) 2166
e) None of these
5) In 2018, 25% of applicants from state D and 35% of applicants from state E apply from state A, the no. of applicants from state A?
a) 7684
b) 6554
c) 6678
d) 7379
e) None of these
Caselet
Directions (6 – 10): Study the following information carefully and answer the questions given below?
A total of 1200 students are studying in a school. There are 5 classes in the school from 6 to 10. The ratio of the number of boys to girls is 7: 5. In class 8, 2/3rd students are boys. 20% of students belong to class 7. 80 is the number of girls students in class 6. A total of 360 students are in class 8. Number of boys in class 9 is 125% of girls in that class where the number of girls in class 9 is 20% of total number of girls. Class 10 has 75 girls. The ratio of the number of boys to girls in class 7 is 23:25
6) What is the ratio between the no. of boys in 8th and the no. of girls in 7th?
a) 48:25
b) 45: 28
c) 24: 35
d) 28: 37
e) None of these
7) If the total no. of students in class 6 is 200, the no. of boys from 6, 7, 8 together form what % of total no. of boys?
a) 48.55%
b) 45.78%
c) 67.85%
d) 57.76%
e) None of these
8) What is the difference between the average of boys from 7, 8, 9 together and the average of girls from 6, 7, 8 together?
a) 48.25
b) 51.66
c) 24.35
d) 58.97
e) None of these
9) If the no. of boys in class 10 is 100, the difference between class 10 boys and class 9 boys are how much less than the difference between class 8 girls and class 6 girls?
a) 15
b) 40
c) 25
d) 45
e) None of these
10) What is the total number of students in classes 7, 8, 9?
a) 925
b) 540
c) 746
d) 825
e) None of these
Answers :
Directions (1-5) :
1) Answer: D
A&C in 2017 = 35% 11400 = 3990
B, C, F in 2018 = 32% 16800 = 5376
Diff = 1386
2) Answer: C
36% of 11400 = 4104
No. of valid app = 11400 – 4104 = 7296
Total no. of app from D = 35% of 11400 = 3990
Total no. of valid app from D = 3990 – 194 = 3796
3796 / 7296 * 100 = 52.02%
3) Answer: B
30% of 11400 = 3420
3420 + 420 = 3840 – – – 1
55% of 16800 = 9240
9240 + 420 = 9660 – – – 2
Now, 3840: 9660 = 64: 161
4) Answer: D
80% of 35% of 11400 – 60% of 15% of 11400
3192 – 1026 = 2166
5) Answer: C
25% of 16% of 16800 + 35% of 25% of 16800 + 27% of 16800
672 + 1470 + 4536 = 6678
Directions  (6 – 10):
6) Answer: A
Required ratio
= > 240 : 125 = 48:25
7) Answer: C
6th boys = 200 – 80 = 120
6, 7, 8 boys = 475
Required percentage = 475 / 700 * 100 = 67.85%
8) Answer: B
Required difference
= > 480 / 3 – 325 / 3 = 155 / 3 = 51.66
9) Answer: A
Required difference
= > (125 – 100) – (120 – 80) = 15
10) Answer: D
The total number of students in classes 7, 8, 9
= > 240 + 360 + 225 = 825
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