answer and get the reward
Attachments:
Answers
Answered by
3
Answer:
physical quantity is a property of a material or system that can be quantified by measurement. ... For example, the physical quantity mass can be quantified as n kg, where n is the numerical value and kg is the unit
Answered by
4
Answer:
46 minutes
Step-by-step explanation:
time taken to cover 6 km= 60 minutes
time taken to cover 1 km= 10 minutes
time taken for 4 km = 4×10=40minutes
but he takes a rest of 2 minutes in every km
so rest taken in 3 km = 3×2= 6minutes
total time taken= 40+6
= 46 minutes
Similar questions