Q7 of 114 Page 3

Find the greatest number of 4 digits which is a perfect square.

We know that,

Greatest 4 digit number = 9999



The remainder is 198


Hence,


The greatest 4 digit perfect square number = 9999 – 198


= 9801


More from this chapter

All 114 →
5

Find the least number of 4 digits which is a perfect square.

 6

Find the least number of six digits which is a perfect square.

 8

A General arranges his soldiers in rows to form a perfect square. He finds that in doing so, 60 soldiers are left out. If the total number of soldiers be 8160, find the number of soldiers in each row.

 9

The area of a square field is 60025m2. A man cycles along its boundary at 18 Km/hr. In how much time will he return at the starting point?