Two circles of radii 17 cm and 8 cm are concentric. The length of a chord of greater circle which touches the smaller circle is
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The least six digit number which is a perfect square is
If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y?
A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.
Find the least number among 59, 949, 0.43 and 0.72.
Find the odd words/letter/number from the given alternatives:
Which one does not belong to the group?
By what least number should 1200 be multiplied so that it becomes a perfect square?