Which of the following cannot be a perfect square?
(a) 841 (b) 529 (c) 198 (d) All of the above
A number ending in 9 will have the units place of its square as
(a) 3 (b) 9 (c) 1 (d) 6
Which of the following is a square of an even number?
(a) 144 (b) 169 (c) 441 (d) 625
Application of problem solving strategies
Find the smallest number by which 1620 must be divided to get a perfect square.
Find the least number that must be added to 1500 so as
to get a perfect square. Also find the square root of the
perfect square
During a mass drill exercise, 6250 students of different
schools are arranged in rows such that the number of
students in each row is equal to the number of rows. In
doing so, the instructor finds out that 9 children are left
out. Find the number of children in each row of the square.
The area of a rectangular field whose length is twice its breadth is 2450 m2. Find the perimeter of the field.
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