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[WpProQuiz 7568]DI
Direction (1 – 5): The following table shows the number of students in different branches from 2001 to 2005.
1) What is the ratio of sum of students in Aeronautical and chemical to the sum of students in civil and electronics?
a) 35: 27
b) 119: 270
c) 191: 230
d) 357: 811
e) 47: 49
2) What is the average number of students in the year 2004?
a) 84
b) 86
c) 89
d) 90
e) 80
3) What is the percentage increase in students in 2003 as compared to previous year?
a) 23.56%
b) 27.98%
c) 37.88%
d) 26.89%
e) 32.26%
4) What is the difference between the total number of student in Electronics, Computer Sc. and Aeronautical together and the total number of student in Mechanical, Chemical and Civil together?
a) 205
b) 304
c) 403
d) 439
e) 216
5) In which year was the growth being maximum in Mechanical?
a) 2005
b) 2004
c) 2003
d) 2002
e) Either 2 or 4
Simplification
Direction (6 – 10): What value will come in place of question mark (?) in the following question?
6) 480/8- 12 * 5 + 3√343 = ?
a) 17
b) -3
c) 7
d) -9
e) 19
7) (65 /(616 x455))×77 x ? = 27
a) 1504
b) 1498
c) 1516
d) 1512
e) 1510
8) 60% of 110 + 88.88% of 243 + 55.55% of 99 = ?
a) 325
b) 316
c) 337
d) 313
e) 334
9) 71.42% of 154 + 28.57% of 77 = ?
a) 147
b) 132
c) 156
d) 111
e) 123
10) 80% of 635 – 15% of 700 = ?
a) 363
b) 403
c) 333
d) 383
e) 443
Answers:
Directions (1-5):
1) Answer: b)
Sum of Aeronautical and Chemical = 216 + 141 = 357
Sum of Civil and electronics = 500 + 310 = 810
Ratio = 357: 810 = 119: 270
2) Answer: a)
Sum of students in 2004 = 504
Average = 504/6 = 84
3) Answer: e)
Total number of students in 2002 = 310
Total number of students in 2003 = 410
Required percentage = [(410 – 310) / 310]* 100 = 32.26%
4) Answer: b)
Sum of Students in Mechanical = 439
Sum of Students in Chemical = 141
Sum of Students in Civil = 310
Total Sum = 890
Sum of Students in Electronic = 500
Sum of Students in Computer Sc.= 478
Sum of Students in Aeronautical = 216
Total Sum = 1194
Required difference = 304
5) Answer: d)
From the given figure:
Growth in mechanical students:
In 2002: [(75 – 50)/150] * 100 = 50%
In 2003: [(85 – 75)/175] * 100 = 13.33%
In 2004: [009 – 85)/85] * 100 = 28.23%
In 2005: [020 – 109)/109] * 100 = 10.09%
Directions (6-10):
6) Answer: c)
? = (480/8)- 12 * 5 + 3√343
= 60 – 60 + 7 =7
7) Answer: d)
? = (27 x 455 x 616)/(65 x 77)
= 27 x (455/65) x (616/77) = 27 x 7 x 8 = 1512
8) Answer: c)
We note that 60% = 3/5, 88.88% = 8/9, 55.55% = 5/9
So, ? = 110 x (3/5) + 243 x (8/9) + 99 x (5/9)
= (5 x 22) x (3/5) + (9 x 27) x (8/9) + (9 x 11) x (5/9)
=(3 x 22)+(8x 27)+(5 x11)=337
9) Answer: b)
We note that 71.42% = 5/7, 28.57% = 2/7
So, ? = 154 x (5/7) + 77 x (2/7)
= (7 x 22) x (5/7) + (7 x 11) x (2/7)
=(5 x22)+(2x 11)=132
10) Answer: b)
? = (80 x 635/100) – (15 x 700/100)
= (50800/100) – (10500/100)
= 508 – 105 = 403
