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Start learning 50% faster. Sign in nowLet the selling price of one mango be Rs. x So, the selling price of 21 mangoes = Rs.21x Now, => 21x = 200 – 4x => x = 8 Therefore the selling price of 21 mangoes = 21 × 8 = Rs.168
A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 16 kg.
What is the an...
________ are the elements of group 18.
An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is New...
The intensity of any wave is proportional to which quantity?
What is the value of acceleration due to gravity at the center of the earth?
Two cars A and B are running at velocities of 60km per hour and 45 km per hour. What is the relative velocity of car A with respect to car B, if both ar...
If the velocity-time graph of an object is a straight line inclined at an angle to the time axis, then:
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
What is the work done when a force of 10 N moves an object by 5 m in the direction of the force?
Which of the following is NOT a conductor of electricity?
