Question : The following table shows the data of different colleges whose students participated in the Olympiad.
| Subjects | College A | College B | College C | College D | College E |
| Hindi | 110 | 100 | 125 | 103 | 112 |
| English | 98 | 120 | 80 | 122 | 105 |
| Maths | 130 | 110 | 250 | 160 | 180 |
| Science | 100 | 100 | 150 | 200 | 80 |
| GK | 182 | 200 | 120 | 130 | 183 |
What is the percentage increase in the number of students who participated in the GK Olympiad to those who participated in the Science Olympiad from all colleges? (Correct to two decimals places.)
Option 1: 29.37%
Option 2: 29.89%
Option 3: 29.74%
Option 4: 29.01%
Correct Answer: 29.37%
Solution :
Students participated in GK Olympiad = 182 + 200 + 120 + 130 + 183 = 815
Students participated in Science Olympiad = 100 + 100 + 150 + 200 + 80 = 630
Difference = 815 – 630 = 185
$\therefore$ Required percentage
= $\frac{\text{Difference}}{\text{Students participated in Science Olympiad}}\times100$
= $\frac{185}{630}\times100$
= $29.37\%$
Hence, the correct answer is 29.37%.
Related Questions
Question : Study the given table and answer the question that follows.
| Number of children | Number of families |
| 0 | 4 |
| 1 | 22 |
| 2 | 15 |
| 3 | 6 |
| 4 | 2 |
The average number of children per family is :
Option 1: 1.47
Option 2: 1.59
Option 3: 1.23
Option 4: 1.72
Question : Calculate the mean from the following table.
| Scores | Frequencies |
| 0-10 | 2 |
| 10-20 | 4 |
| 20-30 | 12 |
| 30-40 | 21 |
| 40-50 | 6 |
| 50-60 | 3 |
| 60-70 | 2 |
Option 1: 33.4
Option 2: 32.6
Option 3: 35.8
Option 4: 34.2
Question : The table below shows the production of jute fabric (in lakh metres) by two Companies P and Q from 2001 to 2005.
| Year | Company P | Company Q |
| 2001 | 100 | 96 |
| 2002 | 120 | 130 |
| 2003 | 108 | 100 |
| 2004 | 190 | 180 |
| 2005 | 240 | 275 |
In which year/years, did Company Q produce more fabric than Company P?
Option 1: 2002
Option 2: 2005
Option 3: 2003, 2005
Option 4: 2002, 2005
Question : The table below shows the number of students commuting to school by different modes of transport:
| Modes of transport | School bus | Bicycle | Walking | Other vehicle |
| Number of boys | 80 | 280 | 130 | 200 |
| Number of girls | 140 | 190 | 90 | 250 |
Which mode of transport is used by a maximum number of students?
Option 1: Bicycle
Option 2: Walking
Option 3: Other vehicles
Option 4: School bus
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| ? | 8 | 11 |
| 7 | 6 | 5 |
| 48 | 63 | 72 |
Option 1: 7
Option 2: 5
Option 3: 6
Option 4: 4
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