- 3
- 9
- 12
- 15
- b
-
Total Students = 30
Math = 12
Science=15
Both =6
Total=12+15-6=21
Total Students who like neither=Total Students-Total who like either
Total Students who like neither=30-21=9
- Sun light
- Coal
- Wind
- Biomass
- b
-
Non-renewable sources of energy are Coal, Natural Gas, Oil and Nuclear Energy.
- Heart
- Brain
- Lungs
- Kidney
- d
-
A Kidney made up of about 1 million filtering units which are called Neprons.
The function of Nephron is to filter the blood and remove wastage.
- Remains same
- Reversed
- Becomes tangent
- Becomes normal
- b
-
Above questions describes the Fleming’s Right Hand Rule.
- Thermal Energy
- Sound Evergy
- Kinetic Energy
- Potential Energy
- a
-
Thermal Energy is created from the vibration of atoms and molecules within particles.
Thermal Energy is also called Heat Energy.
- (1,4)
- (2,2)
- (-1,3)
- (-2,4)
- d
-
2X + 3Y =8
2 (-2) + 3(4)=8
-4 + 12=8
- 10
- 20
- 30
- 40
- a
-
Suppose the age of Riz= X
Riaz Age after 15 Years will be 5 times his age 5 years back= X + 15 = 5 (x-5)
X+15 = 5 (x-5)
X+15 = 5X -25
X+15 +25=5X
5X – X =40
4X = 40
X=40/4
X=10
- 120 miles
- 150 miles
- 180 miles
- 240 miles
- c
-
Speed=Distance / Time
Speed=120 miles / 2hrs =60 miles/hr
Distance= Speed * Time
Distance= 60*3=180 miles / hr