Mathematical Concepts | MCQs

Explanation

Even numbers end in 0, 2, 4, 6, or 8.

4869 ends in 9, so it is not an even number.

Explanation

The odd numbers between 10 and 18 are 11, 13, 15, and 17.

These are the elements that satisfy the given set condition.

Explanation

In the Cartesian plane, Quadrant II contains points where x is negative and y is positive.

Since (-3, 8) has x = -3 (negative) and y = 8 (positive), it lies in Quadrant II.

Explanation

The additive inverse of a number is the value that, when added to the original number, results in zero.

For 1/7, the additive inverse is:

-1/7

Since:

1/7 + (-1/7) = 0

Explanation

Zero is a whole number.

It belongs to the set of whole numbers (0, 1, 2, 3, ...).

Natural numbers start from 1 (1, 2, 3, ...).

Explanation

A non-terminating, non-recurring decimal cannot be expressed as a fraction.

It is the key characteristic of an irrational number.

Explanation

Zero is a real number because it is an integer.

Integers include all negative numbers, positive numbers, and zero.

Real numbers include integers as well as fractions and decimals.

Zero also represents the absence of any negative or positive amount.

Explanation

One million is equal to 10 lacs

Explanation

The formula of area of square.

means

Area = 4

a^2

4^2

4x4 = 16

Explanation

40/20 = 2 

60/20 = 3

The 40:60 ratio simplified is 2:3 or 2/3