Introduction to Integers

Q.

For some integer $\mathrm{m}$, every even integer is of the form

1. $\mathrm{m}+2$

2. $2\mathrm{m}$

3. $2\mathrm{m}-1$

4. $2\mathrm{m}+1$

Q.

Which number is a whole number but not a natural number

Q.

Evaluate the following: $0÷(-12)$.

Q. Verify the associative property on addition for the three numbers 73, -42 and -95.

Q.

What is the HCF of $12$ and $18$?

Q.

Numbers on the left of zero on a number line are called ____.

1. positive numbers

2. integers

3. negative numbers

4. whole numbers

Q. If a number is divisible by 6, then it is also divisible by which numbers?

1. 2
2. 3
3. 5
4. 9

Q.

Which is not an integer datatype?

Q.

The sum of two integers is $48$. If one of the integer is $(-24)$, determine the other.

Q. What is the HCF of 144 and 48?

1. 48

Q.

Answer True (T) or False (F).

The greatest negative integer is $-1$

1. True
2. False

Q.

Zero is neither a positive number nor a negative number.

1. True

2. False

Q.

Answer the following

(1) Write the set of Natural numbers.

(2) Write the symbol of denote Whole numbers.

(3) Which is the least Natural number?

(4) What are the two main features of the number line?

Q.

Which among the following -2, -1, -5, -8 is the smallest integer?

1. -5

2. -8

3. -2

4. -1

Q.

Verb form of resolution.

Q.

Evaluate $-8–24+31–26–28+7+19–18–8+33$

Q.

Write any three numbers of two digits and find their LCM.

Q.

Identify the terms, their coefficients for each of the following expressions: $0.3a-0.6ab+0.5b$

Q.

Find the value of $(-45)-\left(15\right)$.

Q.

Represent the following numbers on a number line:

$+5$, $-10$, $+8$, $-1$, $-6$

Q.

The additive inverse of $17$ is

1. $-17$

2. $17$

3. $\frac{1}{17}$

4. $-\frac{1}{17}$

Q.

Find the smallest digit that should be replaced at $*$ place in the number $248*6$ so that the number is divisible by $6$.

Q.

What is the function of LEN?

Q.

Find the highest common factor of $36$ and $84$.

Q.

Which of the following is an example of the associative property of addition?

1. y + (z + x) = (y + z) + x

2. x + (y + z) = x (y + z)

3. x + (y+z) = xz + xy

4. x $\times$ (y + z) = xy + xz

Q. Positive integers lie on the of '0' on a number line.

1. left side
2. right side
3. left and right side

Q.

Every negative integer is greater than $0$.

1. True
2. False

Q.

Shyam's parents gives him ₹200 as pocket money. He wants to purchase a ball for ₹30, a toy car for ₹120 and a bat for ₹60 with the given money, then which of the following is/are true?

1. Shyam has to borrow ₹10

2. Shyam would be left with ₹20 after all his purchases.

3. Shyam would be left with ₹10 after all his purchases.

4. Shyam will have a debt of ₹10

Q. What is the mass of an utensil whose volume and density are $100c{m}^3$ and $7g/c{m}^3$ respectively?

1. 600 grams
2. 800 grams
3. 700 grams
4. 900 grams

Q.

A number line is shown below. The numbers 0 and 1 are marked on the line, as are two other numbers a and b.

Which of the following number(s) is/are negative?

1. -b
2. a - 2
3. a - 1
4. a+b