- A bus covers 733 km in hours. Find its speed.
7. Answer these questions
. a) Find the smallest square number that is divisible by 6, 9 and 15 each.
b) Find the side of a square field whose area is 784 m².
e) Find the smallest 4-digit number that is a perfect square.
1) Find the greatest 5-digit number that is a perfect square. )
Find the smallest number by which 4056 must be multiplied so that the product becomes a perfect square. Also find the square root of the perfect square so obtained.
(b) Find the smallest number by which 10985 may be divided to get a perfect cube.
(c) Evaluate √4913-0.064 + 125.
(d) Two numbers are in a ratio of 6:7. If the difference of their cubes is 15875, find the numbers.