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Given, after 20% discount, cost price of the item for the wholesale buyer = ₹400 Let the original company price be x. ∴ x - 20% of x = ₹ 400 ⇒ 0.8x = 400 ⇒ x = ₹ 500 He earned a profit of 15% on the original company price. ⇒ Selling price of the item = ₹ 500 + 15% of ₹ 500 = 1.15 * 500 = ₹ 575
The surface tension of water on adding detergent to it –
The device which transfer the signal from low resistance region to high resistance region is –
A car increases its speed from 20 m/s to 60 m/s in 8 seconds. Find its acceleration.
Cryogenics is a branch of Physics that deals with what?
When a passenger in a moving bus is suddenly thrown forward when the bus stops, this is explained by:
A bullet of mass 10 g is fired with a velocity of 500 m/s. Find its momentum.
Which of the following is a characteristic of a conductor?
Which of the following is a characteristic of sound waves?
The distance between the focus and the centre of curvature of a spherical mirror in terms of the radius of curvature R, is equal to:
The time period of a second’s pendulum is –