Question

How can measure up to 40kg by 4 weights ​

Answer 1

Answer:

To measure 2 kg, keep 3 kg piece in one pan and the commodity and 1 kg piece in the other pan. To measure 4 kg, keep 3kg and 1 kg together. To measure 5kg, keep 9kg in one pan and the commodity and 1kg and 3kg piece together in the other pan. Like this, you can measure upto 40kg.

Answer 2

Step-by-step explanation:

To measure 2 kg, keep 3 kg piece in one pan and the commodity and 1 kg piece in the other pan. To measure 4 kg, keep 3kg and 1 kg together. To measure 5kg, keep 9kg in one pan and the commodity and 1kg and 3kg piece together in the other pan. Like this, you can measure upto 40kg.