Rahul Sofat Solutions for Chapter: Sample Test Paper 1, Exercise 1: Sample Test Paper 1 (CHAPTER 1 TO 4)

Mark the correct alternative in the following.

If LCM of two numbers is $30$, then which of the following cannot be their HCF?

A point where three or more lines meet is called:

The length of the longest chord of a circle of radius $5 \mathrm{cm}$ is

What is the number of obtuse angles in the given figure?

What is the HCF of prime numbers?

What are concentric circles?

Find the maximum number of marbles that should be packed together so that grouping of $12,18$ and $36$ is possible.

Draw rough sketches of concave and convex quadrilaterals. Explain the properties which differentiate them.