**Consider the following numbers:**

68, 76, 63, 75, 93, 83, 70, 115, 82, 105, 90, 103, 92, 52, 99, 73, 75, 63, 77 and 71.

Arrange these numbers in ascending order.

Concept: Concept of Data Handling

**Consider the following numbers:**

68, 76, 63, 75, 93, 83, 70, 115, 82, 105, 90, 103, 92, 52, 99, 73, 75, 63, 77 and 71.

What is the range of these numbers?

Concept: Concept of Data Handling

**Represent the following data in the form of a frequency distribution table: **16, 17, 21, 20, 16, 20, 16, 18, 17, 21, 17, 18, 19, 17, 15, 15, 19, 19, 18, 17, 17, 15, 15, 16, 17, 17, 19, 18, 17, 16, 15, 20, 16, 17, 19, 18, 19, 16, 21 and 17.

Concept: Concept of Data Handling

A die was thrown 20 times and the following scores were recorded.

2, 1, 5, 2, 4, 3, 6, 1, 4, 2, 5, 1, 6, 2, 6, 3, 5, 4, 1 and 3.

Prepare a frequency table for the scores.

Concept: Concept of Data Handling

Find: 45 is what percent of 54?

Concept: Concept of Percent and Percentage

**State, true or false of the given statement: **

product of two integers can be zero.

Concept: Concept of Integers

**State, true or false of the given statement: **

product of 120 negative integers and 121 positive integers is negative.

Concept: Concept of Integers

**State, true or false of the given statement: **

a x (b + c) = a x b + c

Concept: Concept of Integers

**State, true or false of the given statement: **

(b – c) × a=b – c × a

Concept: Concept of Integers

Write down a rational number whose numerator is the largest number of two digits and denominator is the smallest number of four digits.

Concept: Rational Numbers

Write down a rational number numerator (-5) x (-4) and denominator (28 – 27) x (8 – 5).

Concept: Rational Numbers

Mark the following pairs of rational numbers on the separate number lines: `3/4` and `- 1/4`

Concept: Rational Numbers

Mark the following pairs of rational numbers on the separate number lines: `2/5` and `(- 3)/5`

Concept: Rational Numbers

Mark the following pairs of rational numbers on the separate number lines: `5/6` and `(- 2)/3`

Concept: Rational Numbers

Mark the following pairs of rational numbers on the separate number lines: `2/5 "and" - 4/5`

Concept: Rational Numbers

Mark the following pairs of rational numbers on the separate number lines: `1/4 "and" - 5/4`

Concept: Rational Numbers

Compare: `- 3 "and" 2 3/4 or 11/4`

Concept: Rational Numbers

Compare: `-1 1/2 and 0 or -3/2 and 0`

Concept: Rational Numbers