how that the product of 12 and 20 is equal to the product of their H.C.F and \( L \)-C.M.

Знайди значення виразу зручним способом: \( \begin{array}{ll}\text { 1) }(7895+5149)-4895 ; & \text { 2) }(227+959)-759 ; \\ \text { 3) } 5797-(4797+270) ; & \text { 4) } 1541-(150+541) .\end{array} \)

A car travels 600 km on a journey and covers this distance in 6 hours and 15 minutes. Calculate the average speed per hour.

\( \left\{\begin{array}{l}factors \\of \\24\end{array}\right. \)

b) Let's take a number 260 . (i) Find the square root of 260 by division method. (ii) What is the remainder left in this process? (iii) Subtract the remainder from 260 . Is the difference a perfect square? Section - B

A car travels 600 km on a journey and covers this distance in 6 hours and 15 minutes. Calculate the average speed per hour.