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[WpProQuiz 7143]Directions (1 – 5): What value should come in the place of question mark in the given questions?
1) 122 + 45% of 120 = 172 – 7 *?
a) 12
b) 14
c) 11
d) 13
e) 15
2) ?2 + √25 * 25 + √81 * 3 = 1521
a) 33
b) 34
c) 37
d) 39
e) 29
3) 60% of 280 + ?% of 320 = 81% of 800
a) 190
b) 180
c) 160
d) 120
e) 150
4) √3025 + ? = 18 * 24 – 30% of 590
a) 180
b) 175
c) 200
d) 220
e) 210
5) (2720 ÷ 34) + 40% of 125 = ?+ √121 * 5 – √225
a) 80
b) 90
c) 70
d) 78
e) 84
Directions (6 – 10): Study the following information carefully and answer the questions given below.
The given bar graph shows the number of students in different colleges in three different departments in 2018.
6) Total number of students in A, B and C together in EEE department is what percent of the total number of students in C, D and E in ECE department?
a) 60%
b) 70%
c) 80%
d) 90%
e) 100%
7) What is the difference between the average number of EEE students in all the schools together and the average number of students in B in all the departments together?
a) 13
b) 16
c) 18
d) 22
e) None of these
8) The total number of students in ECE departments in all the colleges together is approximately what percent of the total number of students in C and D together in all the departments together?
a) 88%
b) 90%
c) 78%
d) 86%
e) 92%
9) What is the ratio of the total number of students in CSE department in all the colleges together to total number of students in E in all the departments together?
a) 43: 35
b) 41: 35
c) 45: 37
d) 43: 32
e) None of these
10) What is the difference between the total number of students in A and C in all the departments together?
a) 10
b) 15
c) 20
d) 25
e) 30
Answers :
Directions (1-5) :
1) Answer: d)
122 + 45% of 120 = 172 – 7 * ?
144 + 54 = 289 – 7 * ?
91 = 7 * ?
? = 13
2) Answer: c)
?2 + √25 * 25 + √81 * 3 = 1521
?2 + 125 + 27 = 1521
?2 = 1369
? = 37
3) Answer: e)
60% of 280 + ?% of 320 = 81% of 800
168 + ? % of 320 = 648
? = 150
4) Answer: c)
√3025 + ? = 18 * 24 – 30% of 590
55 + ? = 432 – 177
? = 200
5) Answer: b)
(2720 ÷ 34) + 40% of 125 = ? + √121 * 5 – √225
80 + 50 = ? + 55 – 15
? = 90
Directions (6-10) :
6) Answer: c)
Required percentage = (160 + 240 + 80)/(120 + 240 + 240) * 100
= 80%
7) Answer: e)
Average number of EEE students = (160 + 240 + 80 + 120 + 280)/5 = 176
Average number of students in B = (160 + 200 + 240)/3 = 200
Difference = 200 – 176 = 24
8) Answer: e)
Total students in ECE department = 80 + 200 + 120 + 240 + 240 = 880
Total students in C and D = 180 + 120 + 80 + 220 + 240 + 120 = 960
Required percentage = 880/960 * 100 = 92%
9) Answer: a)
Required ratio = (120 + 160 + 180 + 220 + 180): (180 + 240 + 280)
= 860: 700
= 43: 35
10) Answer: c)
Number of students in A = 120 + 80 + 160 = 360
Number of students in C = 180 + 120 + 80 = 380
Difference = 380 – 360 = 20
