Integers

Q.

Write the steps to open MS word

Q.

Salary 42K Or 22K Per Month What Is The Meaning Of K Here

Q.

Which of the following statements are true (T) and which are false(F):

(a) Zero is the smallest natural number.

b) $400$is the predecessor of $399$.

(c) Zero is the smallest whole number.

(d) 600 is the successor of 599.

(e) All-natural numbers are whole numbers.

(f) All whole numbers are natural numbers.

(g) The predecessor of a two-digit number is never a single-digit number.

(h) 1 is the smallest whole number.

(i) The natural number 1 has no predecessor.

(j) The whole number 1 has no predecessor.

(k) The whole number 13 lies between 11 and 12.

(l) The whole number 0 has no predecessor.

(m) The successor of a two-digit number is always a two-digit number.

Q.

Write the successor of the following.

Largest $5$-digit whole number

Q.

How many whole numbers are not natural numbers?

1. 2

2. 3

3. zero

4. 1

Q.

The number of integers between -5 and 5 is ___.

1. +8

2. -16

3. +16

4. -8

Q. A quiz competition has a total of 25 questions. Every right answer gets 3 points and each wrong answer gets one negative point. If Alex got 13 questions as right, 3 un-answered and, rest of them wrong, how many points did Alex score in the competition?

1. -15
2. 27
3. 39
4. 30

Q.

Question 27.

State True/False

All integers are whole numbers.

Q.

Statement 1: Product of two integers with the same sign is always a positive integer.

Statement 2: Product of two integers with different signs is always a positive integer.

1. Both the statements are correct

2. Both the statements are incorrect

3. Statement 1 is correct but statement 2 is incorrect

4. Statement 1 is incorrect but statement 2 is correct

Q.

Question 45

The number of integers lying between -5 and 5 is :

Q.

Question 79

Sum of two integers is -80. If one of the integer is -90, then find the other.

Q.

Write Hindu-Arabic numerals for:

1. LXXXVI
2. LXXV

Q.

The temperature on a certain morning is -11℃ at 5 a.m. If the temperature drops 3 degree at 6 a.m. and rises 5 degree at 8 a.m. and again drops 3 degree at 9 a.m. What is the temperature at 9 a.m.?
(2 marks)

Q. Whole numbers are not closed under division.

1. False
2. True

Q.

Write true or false:

Of the two integers, if one is negative, then their product must be negative.

1. True
2. False

Q.

Rita goes $20km$ towards east from point $A$ to point $B$. She moves $30km$ towards the west from $B$ along the same road. If the distance toward the east is represented by a positive integer then, how will you describe the distance traveled toward the west? By which integer will you represent her final position from $A$?

Q. Definition of integers

Q.

Consider a building with 20 stairs above ground level and 20 stairs below ground level. Considering ground level as zero, if you are standing at 16^th step below ground level, how will you represent it?

1. You are at -16^th step.

2. You are at +16^th step.

3. You are at some step which you don't know.

4. You are at 4^th step.

Q.

Integers are also called $\left(\_\_\_\_\_\_\right)$ numbers

Q.

In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer and 0 for questions that are not attempted. Ram got 3 questions correct and 4 questions incorrect out of 7 questions he attempted. What is his final score?

1. -2

2. -2

3. -7

4. 7

Q.

The negative of $1$ is _____

Q. On a number line, the integers to the left of zero are called ____.

1. negative integers
2. left side integers
3. positive integers
4. right side integers

Q. Why do we need negative numbers if there are positive numbers

Q. All whole numbers are integers but all integers are not whole numbers.

1. True
2. False

Q.

26${}^{\circ }$C above 0${}^{\circ }$C temperature and 13${}^{\circ }$C below 0${}^{\circ }$C temperature can be represented on the number line as-

1. -26${}^{\circ }$C and +13${}^{\circ }$C

2. +26${}^{\circ }$C and -13${}^{\circ }$C

3. -26${}^{\circ }$C and -13${}^{\circ }$C

4. +26${}^{\circ }$C and +13${}^{\circ }$C

Q.

Arrange in ascending order:

-12, 10, -6, 4, 0, -8, 5

1. -12, -8, -6, 4, 5, 10

2. -12, -8, -6, 0, 4, 5, 10

3. -6, -8, -12, 0, 4, 5, 10

4. -12, -6, -8, 0, 4, 5, 10

Q. Which of the following integer is greater than -3?

1. -4
2. -6
3. -7
4. 0

Q. When integers are arranged in descending and ascending order, find out which of the following integers always remains in the middle of the arrangement?
12, 4, 5, – 5, – 6

1. -5
2. -6
3. 4
4. 5

Q.

$500$ is the successor of $499$.

1. True
2. False

Q.

Question 63

Temperature of a place at 12:00 noon was $+5^{0}C$. Temperature increased by $3^{0}C$ in first hour and decreased by $1^{0}C$ in the second hour. What was the temperature at 2:00 PM?