The unit digit of a perfect square can only be 0, 1, 4, 5, 6, or 9. A number ending in 2, 3, 7, or 8 cannot be a perfect square.
Which one of the following cannot be the square of a natural number.
Asked in BPSC Prelims Exam 66th · Topic: Measurement/Unit (Physical Quantities (Fundamental and Derived))
More Physics questions
- The value of the continued fraction $2- \frac{1}{2-\frac{1}{2-\cdots}}$ is
- If n is any positive integer, then $(3^{4n}-4^{3n})$ is always divisible by
- The value of log$_{\sqrt{2}}$ (32) is
- The lengths of the diagonals of a rhombus are 10 cm and 24 cm. Its perimeter is
- What is Googol ?
- Two circles of same center have radius of 2 cm and 5 cm respectively. Then what is the area of region between larger and smaller circles?
- Which of the following is not a fundamental unit ?
- A one-rupee coin is placed on a piece of paper. How many coins of the same size can be placed around it so that each one touches the central and adjacent coins?