RBI Grade B Squares and Square Roots — practice questions
27 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice RBI Grade B Squares and Square Roots in the app →The square root of 7744 is:If 1120 / √x = 80, then x = ?What is the square root of 5476?What is the square root of 108900?Find the square root of 15625.A square tile has side 7 cm. Its area, 49, is called a:32 lies between 25 and 36, so it is:Which digit can never be the units digit of a square number?A number ends in 9. Its square ends in:A square number ends in 6. The number squared ends in 4 or:Two consecutive triangular numbers add up to a:How many non-square numbers lie between 7 squared and 8 squared?The sum of the first 6 odd numbers, 1+3+5+7+9+11, equals:25 can be written as 1+3+5+7+9. This shows 25 is a:Using 23 = 20 + 3, the square of 23 is:Using 42 = 40 + 2, the square of 42 is:3, 4 and 5 satisfy 9 + 16 = 25. Such a set is called a:Which set is a Pythagorean triplet?The Pythagorean triplet with 8 as its smallest member is:Finding a number whose square is known is called finding the:A perfect square has two integral square roots; the root symbol denotes only the:Subtracting 1, 3, 5, ... from 81 reaches 0 at the 9th step. So the square root of 81 is:256 = 2x2x2x2x2x2x2x2. Pairing the factors, its square root is:48 = 2x2x2x2x3 has one unpaired 3. The smallest number to multiply 48 by to get a perfect square is:The square root of 6400 is:90 = 2 x 3 x 3 x 5. Since 2 and 5 are unpaired, 90 is:A right triangle has hypotenuse 5 cm and one side 3 cm. The third side squared is: