Question

4. Find the least number of four digits which is a perfect square.
5. Find the greatest number of five digits which is a perfect square.
6. The area of a square field is 59536 square metres. Find the measure of each side.
7. A P.T. teacher asks 6000 students to stand in such a way that the number of rows is equal to the numbe
of columns. Find the number of rows if 71 students were left out after the arrangement.
8. 1024 plants are to be arranged in such a way that the number of plants in each row is equal to thenumber of plants in each column. Find thenumber of plants in each column
9. The area of a square field is 50625 m. A man cycles along its boundary at 18 km/h. In how much time he return at the starting point?
10. Find the perimeter of a square field whose area is 49 hectares. [1 hectare = 10000 m
${m}^{2}$

11. Using the Pythagoras theorem, find the length of the hypotenuse of a right-angled triangle whose
are 10 cm and 9 cm.
​

Answer 1

Answer:

4 - 1024

5 -99999

Step-by-step explanation:

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