Question

The number of minutes in one hour is 60 and number of seconds in one hour is 3600. Then their order of magnitude, respectively are :

• A. ${10}^1,{10}^2$
• B. ${10}^2,{10}^4$
• C. ${10}^1,{10}^3$
• D. ${10}^1,{10}^4$

Answer 1

The correct option is C ${10}^1,{10}^3$

The number of minutes in one hour is 60 and number of seconds in one hour is 3600. Thus order of magnitude of minute is of tens i.e. ${10}^1$ and order of magnitude of seconds is of thousands i.e. ${10}^3$.