A shopkeeper has an unknown weight in his shop. To find out the weight, he first weighs 1 kg of rice and then the unknown weight together. The combined weight of the rice and the unknown weight is 1.5 kg. Find the unknown weight (in grams).
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Q. A shopkeeper has an unknown weight in his shop. To find out the weight, he first weighs 1kg of rice and then weighs 1kg of rice and the unknown weight together. The combined weight of the rice and the unknown weight is 1.5 kg. Find the unknown weight (in grams).
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Q.

A shopkeeper has an unknown weight in his shop. To find out the weight, he first weighs 1 kg of rice, and then weighs 1 kg of rice and the unknown weight together. The combined weight of the rice and the unknown weight is 1.5 kg. Find the unknown weight (in grams).

Q. A shopkeeper has an unknown weight in his shop. He weighs 1 kg of rice and the unknown weight together. The combined weight of the rice and the unknown weight is 1.5 kg. Find the unknown weight (in grams).

Q.

You went to buy rice from a shop. When the shopkeeper was weighing the rice, he balanced the rice bag with 5 kg, 500 gm, 250 gm and 100 gm weights. What is the weight of rice (in kg) you bought?

Q. The atomic weight of an unknown element, in atomic mass units (amu), is approximately $20\%$ less than that of calcium. The atomic weight of calcium is $40$ amu. Which of the following best approximates the atomic weight, in amu, of the unknown element?