380g
400g
360g
39g
180g
Correct answer is A
R.d = 19, therefore, density = 19gcm-3 mass = velocity x density = 20 x 19 = 380g
A weightless vessel of dimensions 4m x 3m x 2m is filled with a liquid of density 1000kgm-3 and seal...
The diagram above illustrates a variation of the displacement y of a wave particle with time t. lf t...
A machine has a velocity ratio of 5. It requires a 50kg weight to overcome a 200kg weight. The effic...
A gas occupies a certain volume at 27°C. At what temperature will its volume be three times the ori...
The diagram illustrates the velocity-time graph of a body. Calculate the distance covered by the bod...
A block of material of volume 2 X 10−5m3 and density 2.5 x 103 kgm−3 is susp...
A ray of light passes from air to water to glass to air. Given that the refractive index for light p...
Which of the following is the dimension of pressure? ...
Two identical charges situated 20cm apart in vacuum repel each other with a force of 1.0N.Calculate ...
A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is...
Puzzles Questions and Answers
Verbal Reasoning Questions and Answers
Personality Test
Typing Speed and Accuracy Test
Microsoft Office Questions and Answers
Quantitative Reasoning Questions and Answers
Data Interpretation Questions and Answers
Situational Judgement Questions and Answers
Logical Reasoning Questions and Answers
Numerical Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
See all →