Related Questions

A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
Heavy water has maximum density at __________ °C.
A 4
B 11.6
C 0
D 18.6
The density of hydrogen is _____ times the density of air.
A 0.07
B 1.5
C 2.5
D 3.5
Low density polythene as compared to high density polythene is
A Harder
B Tougher
C Chemically inert
D More flexible
Supercharging is the process of supplying the intake air to the engine cylinder at a density _________ the density of the surrounding atmosphere.
A Equal to
B Less than
C Greater than
D None of these
Density of high density polythene is about __________ gm/c.c.
A 1.18
B 1.05
C 0.95
D 0.99
Density of low density polythene is about __________ gm/c.c.
A 0.38
B 0.56
C 0.81
D 0.91
A mixture of 20 kg of spirit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25% ?
A 4
B 5
C 8
D 30
A mixture of 20 sprit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25%
A 2
B 4
C 5
D 6
30 men took a dip in a water tank 20m long and 15m broad on a religious day.If the aveage water displacement of water by a man is 2m3, then the rise in the water level in the tank will be --
A 20 cm
B 50 cm
C 100 cm
D 200 cm

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