Dubai STEM Olympiad | 2018-19 | Round 2| Premier Genie | Senior Category
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A ratio equivalent to 3 : 7 is:
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3:9
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6:10
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9:21
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18:49
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Dubai STEM Olympiad | 2018-19 | Round 2| Senior Category
Quiz Preview
- 2.
The area of the shaded region in square cm for the diagram shown below is
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67
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64
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65
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66
Correct Answer
A. 64 -
- 3.
In the image given, a robot is positioned on the green Start square with loaded packages. The following commands make the robot move one square in the direction specified: Up Down Left Right Additionally, the "Drop" command can be used to make the robot drop a package object in the square it is currently standing in. There are three objects placed on the given robot, each to be placed on one of the orange squares. Which of the below sequences would get the robot to place them on each subsequent orange square?
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Up, Drop, Right, Repeat (4)
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Up, Drop, Left, Repeat (3)
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Right, Pick, Up, Right, Drop, Up, Repeat
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Up, Left, Drop, Repeat (3)
Correct Answer
A. Up, Left, Drop, Repeat (3) -
- 4.
On each of the diagrams of a wheelbarrow and a pair of scissors, mark the pivot (P), the load (L) and the effort (E).
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Wheelbarrow: a = load, b = pivot, c = effort Scissors: a = pivot, b = load, c = effort
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Wheelbarrow: a = effort, b = load, c = pivot Scissors: a = load, b = load, c = pivot
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Wheelbarrow: a = load, b = effort, c = pivot Scissors: a = pivot, b = load, c = effort
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Wheelbarrow: a = effort, b = load, c = pivot Scissors: a = load, b = pivot, c = effort
Correct Answer
A. Wheelbarrow: a = effort, b = load, c = pivot Scissors: a = load, b = pivot, c = effort -
- 5.
Two position of dice are shown as below. If 1 is at the top, which number will be at the bottom ?
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5
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2
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3
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6
Correct Answer
A. 6 -
- 6.
In the figure given below, AFGB, CFE and CGD are straight lines. Find y.
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90
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86
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94
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92
Correct Answer
A. 94 -
- 7.
The theory and development of computer systems able to perform tasks normally requiring human intelligence is called:
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Artificial Intelligence
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Machine Learning
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Internet of things
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None of the above
Correct Answer
A. Artificial Intelligence -
- 8.
A rectangular kitchen table is three times as long as it is wide. If it was 3 m shorter and 3 m wider, it would be a square. What are the dimensions of the rectangular table?
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9 m by 3 m
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4 m by 6 m
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12 m by 6 m
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16 m by 4 m
Correct Answer
A. 9 m by 3 m -
- 9.
A computer input device that is used to enter computer instructions and data into the computer.
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Floppy disk
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Keyboard
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Monitor
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Flash Drive
Correct Answer
A. Keyboard -
- 10.
The length of rectangular field is 11 m more than its width. If the length is decreased by 12 m and width is increased by 10m, the area decreases by 24 m square. The original length and width of a field is
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18 m , 7 m
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9 m, 5 m
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7 m, 5 m,
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12 m, 5 m
Correct Answer
A. 18 m , 7 m -
- 11.
If the mechanical advantage of a simple machine is 2, then the
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Output force is 2 times the effort
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Effort is 4 times the output force
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Efficiency is 4%
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The work output is 4 times the input
Correct Answer
A. Output force is 2 times the effort -
- 12.
What are algorithms used for?
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To plan out the solution to a problem
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As a platform to program a solution
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To test a solution to a problem
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To create a problem
Correct Answer
A. To plan out the solution to a problem -
- 13.
The energy possessed by a body due to its position is called its
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Kinetic Energy
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Gravitational energy
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Potential energy
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Internal energy
Correct Answer
A. Potential energy -
- 14.
How many statements are there in this line of code: if(age>17) print("I can drive a car")
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There are two statements - 'print' and 'if'
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There are no statements
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There is one statement - 'print'
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None of the above
Correct Answer
A. There are two statements - 'print' and 'if' -
- 15.
Two identical metal bars were put into a container of water as shown. When the two metal bars were removed, the water level fell to a height of 7 c.m. The volume of each metal bar in cubic cm is
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900
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1800
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4200
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18000
Correct Answer
A. 900 -
- 16.
What is the role of an actuator in a robot?
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Responsible for moving and controlling a mechanism or system
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Responsible for detecting the environment around the robot.
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Runs the set of instructions written in code.
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None of the above
Correct Answer
A. Responsible for moving and controlling a mechanism or system -
- 17.
What materials can be used in 3D printers?
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ABS Plastic
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Nylon
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Stainless Steel
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All of the above
Correct Answer
A. All of the above -
- 18.
Two dices are rolled .What is the probability of getting a sum of 5 if it is known that sum of the spots on the dice is odd.
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4/36
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1/2
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1/9
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2/9
Correct Answer
A. 2/9 -
- 19.
The point (3,4) is at a distance of
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3 units from both x axis
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4 units from both the axis
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4 units from x axis and 3 units from y axis
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3 units from x axis and 4 units from y axis
Correct Answer
A. 4 units from x axis and 3 units from y axis -
- 20.
In Gears, the common normal to the curves of the two teeth must not pass through the pitch point.
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It may or may not pass
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It must pass
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True
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None of these
Correct Answer
A. It must pass -
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Dec 24, 2019Quiz Edited by
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Feb 04, 2019Quiz Created by
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