Question
Seven persons, P, Q, R, S, T, U and V, live in a
building, which has seven floors. The floor, which is at the bottommost position is numbered as 1, the floor above it is numbered as 2 and so on. P lives on an even numbered floor. There are two floors between P and T. Q lives immediately below T. Q does not live on a prime numbered floor. V lives three floors above R. V does not live on a prime numbered floor. S lives above U. Who among the following lives immediately below V?Solution
A person weighing 80 kg is standing in an elevator that is accelerating downward at 3 m/s². What is the apparent weight? (Take g = 10 m/ s²)
Which law explains the relationship between force, mass, and acceleration?
What is the normal body temperature of a human being?
What are the elements which are liquids at room temperature and standard pressure?
 1. Helium
2. Mercury
3. Chlorine
4. Bro...
Cathode rays when obstructed by metal cause emission of -
Speed of light will be maximum in which of the following mediums?Â
A projectile is fired at an angle of 45° with a speed of 20 m/s. What is the maximum height reached? (Take g = 10 m/ s² )
Which of the following gas usually causes explosions in coal-mines?
What is the ph of blood?
The PH of an aqueous solution of a salt is 4.5. Which of the following about this salt is true?