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DIRECTIONS: Study the following pie charts carefully to answer these questions. Details of Number of Students studying in different Engineering Branches Total No. of Students studying = 2500
Details of Number of Students who got Campus Placement Total No. of Students who got Placement = 1600
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If 40% of the students studying Civil are girls how many girls are studying Civil ?
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Number of girls studying civil.
= 2500 × 9/100 × 40/100 = 90
Total number of students who got placement from IT and Computer Science together is approximately what per cent of the total number of students studying these two disciplines together?
Number of student who study IT and computer science =
Required percentage =
1/2 × 100 ≈ 70
What is the respective ratio between number of students who got placement from IT and the number of students studying computer Science ?
Required ratio
What per cent of students studying Electronics, got the placement ?
Number of students studying electronics = 2500 x 16/100 = 400
number of students who got placement in electronics
= 1600 x 15/100 = 240
required percentage
= 240/400 x 100 = 60.
Directions: Following questions ore based on the table given below which represents the percentage growth in the volume of sales of five brands of motor bikes across the years mentioned and the projected increase for the period 2000-2005:
The sales of which motor bike have increased by highest percentage from 1985-1990 to 1995-2000?
Let the sales of each bike is x in the year 1985-1990.
Therefore, highest sales is for Suzuki Hayabusa.
If Ducati DXTRA has registered a sales of 42,900 in 2000, then what is the difference in its projected sales for 2005 and its sales in 1990?
Sales of Ducati in 2000 = 42900.
∴ Difference in projected sales and the sales in 1990 is 60060 - 30000 = 30060.
The sales of Kawasaki TF-910 in 2000 were 2,64,000 and the projected sales ofAprillaAS-X100 for 2005 are 5,44,500. What is the ratio of the sales of Kawasaki TF-910 to that of Aprill AS-X100 in 1990?
If in 2000, the sales of each of the brands of motor bikes were 2,35,950, then how many of the given brands had sales of more than 1,65,000 in 1990?
Hence, 3 bikes have sales of more than 1,65,000 in 1990.
What are the sales of all the brands of bikes put together in the year 2000, given that the sales of all the bikes put together 1990 is 7,07,850?
This question cannot be answered as we need to know the distribution of the sales of the 7,07,850 bikes sold in 1990 amongst the various brands given here and which is not specified here.
A man can row 10.2 km downstream in 18 minutes. The speed of the stream is 3.5 km/h. How much time (in hours) will he take to cover 121.5 km upstream?
Speed of stream=3.5 kmph
so speed of boat=34-3.5=30.5 kmph
Now Upstream speed=speed of boat-speed of strem=30.5-3.5=27 kmph
Hence number of hours required to row upwards=121.5/27=4.5 hours
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