- Laser Eating Diode
- Laser Emitting Direction
- Light Emitting Diode
- Light Exit Direction
- c
-
A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it.
First LED was invented in 1907 by H.J Round and Oleg Losev.
All Testing Services Solved Papers
If the average arithmetic mean of 8,12,15,21, X and 11 is 17 then what is X?
- 25
- 30
- 35
- 38
- c
-
A.M = Arithmetic Mean
A.M = 17 Total Figures =06
A.M = (8+12+15+21+ X + 11) / 06
17 = (8+12+15 + 21+ X + 11) / 06
17 = (67 + X) / 6
17*6=67 + X
102 = 67 + X
102-67 = X
35 = X
Ali can type at a speed of 25 words per minute. How many words can he type in one hour?
- 1500
- 2000
- 2500
- 3000
- a
-
One Hour = 60 Minutes
One Minutes typing Speed = 25 WPM
60 Minutes WPM = 25*60=1500 WPM
If Jack needs 2.5 prints of cream to make a desert. How many prints will he need to make 3 desserts?
- 2.5
- 7.5
- 3.5
- 5.5
- b
-
One Desert = 2.5 Prints
03 Deserts Prints = 3*2.5=7.5
What is name of autobiography of Adolf Hitler?
- Das Kapital
- Mein Kampf
- Third Reich
- Hope and Success
- b
-
The writer of this book was Adolf Hitler.
This book is based on autobiography of Adolf Hitler.
Mein Kampf was published in 1925 first time.
Complete the series : 1,1,8,4,27,9,……..
- 24
- 36
- 64
- 75
- c
-
1,2,3,4,5
1,1,8,4,27,9,…..
13,12,23,22,33,32,43,42,53,52,….
1,1,8,4,27,9,64,16,125,25,…..
Thomas Jefferson was the ….President of the United States.
- 1st
- 2nd
- 3rd
- 4th
- c
-
He served as 3rd President of USA from 1801 to 1809.
Thomas Jefferson was founder of American Political Party.
In Power Point, The selected design template can be applied:
- To view the slides
- To current slide only
- To all the new presentation you create
- All of the above
- d
Solve the following : (25*10) / (5(6-4)2) = ?
- 200
- 50
- 25/2
- 25
- c
-
(25*10) / (5(6-4)2) = ?
250 / (5(2)2)
250 / 5*2*2
250 / 20
25/2
A hockey team won 06 games and lost 8. What is the ratio of winning Games?
- 6:6
- 3:7
- 5:5
- 3:3
- b
-
Winning Games = 6
Lost Games = 8
Total Games = 6+8=14
Ratio of Winning Games = Winning Games :Total Games
Ratio of Winning Games = 06:14 = 3:7