weight money measurment

Refer to the data below and answer the questions that follow. Five heavy weight boxers measure their weights. Following results were obtained : 1. P is heavier than R by 14 lb. 2. B is lighter than S by 10 lb. 3. M’s weight is equal to the average weight of the four other boxers. 4. P’s weight and B’s weight taken together equals the weight of M and S. 5. The sum of the weights of all five boxers is 520 kg. What is the average of the weights of M and R?

An object weigh 10 N when measured on the surface of the earth. What would be its weight when measure on the surface of moon ?

In which year SI system of units was developed and recommended by General conference on weights and measures?

Weight, Money And Measurement (वनज,धन और माप)|Questions(प्रश्न)|OMR|Summary