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Let number of students in first school = x 60x/100+30 =x x-60x/100=30 40x/100=30 x=75 Number of passed students = 75 -30 = 45 Number of students in second school = 75 + 25 = 100 Number of passed students = 45 + 20 = 65 Pass percentage of the latter school = 65%
A new technology which provides the ability to create an artificial world and have people interact with it is called –
The frequency of ultrasonic waves is:
A sudden drop in barometric pressure indicates which of the following?
The distance- time graph for a body moving at uniform speed is?
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of –
Which of the following is NOT a conductor of electricity?
The weight (W) of a body is derived from which formula?
A particle moves in a circle of radius 10 cm with a constant speed. Its angular displacement after 2 seconds is π radians. What is its linear speed?
Cryogenics is a branch of Physics that deals with what?
Which law states that “an object remains at rest or in uniform motion unless acted upon by an external force”?