- 28
- 32
- 36
- 48
- c
-
Height of Rauf=6 feet
Shadow of Rauf=5 feet
Height of the building=X
Shadow of the building=30 feet
So, 6/5=X/30
5*X=6*30
5X=180
X=180/5
X=36
Mathematics MCQs
All Mathematical MCQs from different papers are solved in this sections. All Math related MCQs have uploaded in this portion of ETEST Website. Visitors should visit ETEST Website regularly for Best Jobs Tests Preparation because ETEST Team updates ETEST Website on daily basis.
On selling a ball at Rs.720, there is loss of 10%. The cost price of the ball is:
- 750
- 800
- 850
- 900
- c
-
10% of 800
10/100*800=80
800-80=720
Actual Price of Ball is 800.
At Super Market Store everything is sold for 20% less than the price marked. If store owner buys radios for Rs.80, the price should he mark them if he wants to make 20% profit on his cost is _____
- 100
- 120
- 140
- 160
- b
-
Cost of Radio=80
20% of 80=20/100*80=16
Required Sale Price=80+16=96
20% of 120=20/100*120=24
120-24=96
If Display Amount is 20 then Amount with discount will be=120-24=96
In a Jar, 1/2 of the marbles are red, ¼ are white and 1/5 are blue. The fraction of the marbles that are not red, white and blue is _____
- 2/30
- 1/20
- 3/20
- 3/30
- b
-
Red=1/2
White=1/4
Blue=1/5
Total=1/2+1/4+1/5=(10+5+4)/20=19/20
Neither Red, Blue Nor White=1-19/20=(20-19)/20=1/20
If a car travels at an average speed 25meter/second, then the average speed in Km/h is _____
- 50 Km/h
- 60 Km/h
- 90 Km/h
- 100 Km/h
- c
-
Distance Covered in 1 Second=25 Meters
One Minute=60 Seconds
One Hour=60*60=3600 seconds
Distance Covered in One Hour=25*3600=9000 Meters
1000 Meters=1 Km
90000 Meters=90000/1000=90Km
The 70% of 50 is:
- 35
- 30
- 25
- 20
- a
-
70% of 50
70/100*50
35
1:3 same as:
- 3 to 1
- 3:8
- 1 to 3
- None of these
- d
-
1:3 is same as 1/3, 2/6, 3/9, 4/12.
In a number system with base 5 number of digits use are:
- 02
- 04
- 05
- 10
- c
-
Base 5 means have 5 digits i.e. 0,1,2,3,4.
The multiplicative inverse of -3/4 is:
- 1/4
- 4/3
- -4/3
- -2/3
- c
If a set consist of 3 elements, then the number of element in P (A) are:
- 03
- 06
- 08
- 09
- c
-
A= {a,b,c}
Formula=2n
23=2*2*2=8