Question
Select the number from the given option that can replace
the question mark (?) in the following series: 4, 9, 19, ?, 79, 159Solution
(4 x 2) + 1 = 8 + 1 = 9 (9 x 2) + 1 = 18 + 1 = 19 (19 x 2) + 1 = 38 + 1 = 39 (39 x 2) + 1 = 78 + 1 = 79 (79 x 2) + 1 = 158 + 1 = 159
A car moving at 72 km/h is brought to rest in 10 seconds. What is its acceleration? Â
Frequency modulation (FM) changes:
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
The moment of inertia of a thin rod of length L and mass M about an axis perpendicular to the rod and passing through a point at a distance L/4 from one...
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
Focal length of a concave lens with power –2 D:
Which graph represents uniform motion?
What will happen to the volume of ozone, when it is heated?
Which instrument is used to measure electric current? Â
The heat required to raise the temperature of 1 kg of water by 1°C is called: Â
Relevant for Exams:
