HARD
8th CBSE
IMPORTANT
Earn 100
A perfect square number has four digits, none of which is zero. The digits from left to right have values that are: even, even, odd, even. Find the number.
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Important Questions on Square-Square Root and Cube-Cube Root
HARD
8th CBSE
IMPORTANT
Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square.
HARD
8th CBSE
IMPORTANT
The perimeters of two squares are and metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares.
MEDIUM
8th CBSE
IMPORTANT
A three digit perfect square is such that if it is viewed upside down, the number seen is also a perfect square. What is the number? (Hint: The digits and stay the same when viewed upside down, whereas becomes and becomes .)
HARD
8th CBSE
IMPORTANT
and is a strange pair of numbers such that their squares and are also mirror images of each other. Can you find two other such pairs?
