Question
Vivek was walking in the park. On the way he found a
stone lying. He picked the stone and threw it up in the sky. After few seconds, he observed that the stone come back and fell near his feet. This happened because ofSolution
Every object gets attracted towards the earth. The force with which the earth attracts everything towards itself is called the gravitational force of earth. Newton’s 1st law of motion - An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force . Law of inertia - A body will preserve its velocity and direction so long as no force in its motion's direction acts on it. Buoyant force - B uoyancy refers to a force that arises from the pressure exerted on an object by a fluid (a liquid or a gas). Since it's a force, we call it the buoyant force.
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The combined average cost price of two items, Almonds and Walnuts, is Rs. 450. If Almonds are sold at a profit of 50% and Walnuts at a loss of 25%, resu...
'P' bought an item and marked it 60% higher than its cost price. He sold it to 'Q' after offering a discount of Rs. 120. 'Q' then...
A shopkeeper sells two products A and B. He earns 21% profit on a product A costing Rs. 1200. If the overall profit on selling two products is 18%, then...
Hari purchased 9 bags, 12 shoes, and 15 hats for Rs. 270, Rs. 720, and Rs. 450, respectively, from a seller. By selling each bag and each shoe, the sell...
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