The Other Side of Zero Class 6 MCQ
The Other Side of Zero Class 6 MCQ
The Other Side of Zero Class 6 MCQ
Question 1.
Which set shows all numbers less than 0?
(a) 12, 23, 37
(b) -15, 0, 15
(c) -28, -9, 0
(d) -54, -43, -39
Answer:
(d) -54, -43, -39
Question 2.
The number -x is a negative integer. Which of these is a valid conclusion about x?
(a) x is any integer greater than or equal to 0.
(b) x is any integer less than or equal to 0.
(c) x is any integer greater than 0.
(d) x is any integer less than 0.
Answer:
(c) x is any integer greater than 0.
Question 3.
The depth of a submarine is 542 metres below the sea level. If 0 represents the sea level, what is the representation of the submarine?
(a) 542
(b) -542
(c) [latex]\frac {1}{152}[/latex]
(d) [latex]-\frac {1}{152}[/latex]
Answer:
(b) -542
Question 4.
Aakriti has a certain amount of money. She spends more money than she has by borrowing some money from her friend. Aakriti made the following statements.
- Statement I: The initial amount of money she has is represented by a positive integer.
- Statement II: The amount she spent is represented by a negative integer.
Which of these statements is/are true?
(a) Only statement I
(b) Only statement II
(c) Both statements I and II
(d) Neither statement I nor statement II
Answer:
(c) Both statements I and II
Question 5.
A point U lies 3 steps to the left of an integer n, as shown below:
- Point U is moved 9 steps to its right to get point V.
- Point V is moved 5 steps to its left to get point W.
Which of these represents the position of point W with respect to n?
(a) It lies 1 step to the right of n.
(b) It lies 1 step to the left of n.
(c) It lies 4 steps to the right of n.
(d) It lies 4 steps to the left of n.
Answer:
(a) It lies 1 step to the right of n.
Question 6.
What is the successor of the predecessor of -12?
(a) -11
(b) -12
(c) -13
(d) -14
Answer:
(b) -12
Question 7.
The predecessor of an integer is -19 + 13 and the successor of the integer is -9 + 5. What is the integer?
(a) -3
(b) -4
(c) -5
(d) -6
Answer:
(c) -5
Question 8.
Which of these can be used to show that -4 > -7, using a number line?
(a) On the number line, 4 is to the left of -7.
(b) On the number line, -4 is to the left of -7.
(c) On the number line, 4 is to the right of -7.
(d) On the number line, -4 is to the right of -7.
Answer:
(d) On the number line, -4 is to the right of -7.
Question 9.
Which number line shows the addition of -4 and its successor?
Answer:
Question 10.
The value of 7 - 3 + p is the greatest negative integer. Which number line shows the value of p?
Answer:
Question 11.
If p = -54 and q = 29, what is the largest negative integer that should be added to (p + q) - (p - q) so that the result is a negative integer?
(a) -59
(b) -58
(c) -47
(d) -39
Answer:
(a) -59
Case Study
I. Odd Man Out
Question 1.
Observe the following pairs of integers and indicate the odd man out.
(a) (-2, -8)
(b) (+2, -12)
(c) (-10, +2)
(d) (-6, -4)
Answer:
(c) (-10, +2)
Question 2.
What will be the result when the first integer of (+2, -12) is subtracted from the second integer?
(a) +10
(b) -14
(c) -10
(d) +14
Answer:
(b) -14
Question 3.
What shall we obtain, if we subtract the second integer of (-2, -8) from the first integer?
(a) -10
(b) -6
(c) +10
(d) +6
Answer:
(d) +6
Question 4.
What is the sum of integers -10 and +2?
(a) -12
(b) -8
(c) +8
(d) +12
Answer:
(b) -8
Question 5.
What is the sum of the integers -2 and -8?
(a) -6
(b) +6
(c) -10
(d) +10
Answer:
(c) -10
II. A diagram was drawn on the blackboard, depicting the ground floor of a multistoreyed building as ‘0’ and various steps (staircases) depicting ..., -3, -2, -1, and +1, +2, +3, ... on the vertical number line as shown below:
Question 1.
The teacher asked the students to place the symbol > or < in the boxes, remembering the conventions of the number line, in the following:
(A) 0 __ -1
(B) +5 __ -7
(C) -5 __ -3
(D) +5 __ +3
Responses were >, <, > and > respectively.
Which of the above responses is (are) not correct?
(a) (A) and (B)
(b) Only (B)
(c) (B) and (C)
(d) Only (A)
Answer:
(c) (B) and (C)
Question 2.
How many steps will be needed to reach from +4 to -3?
(a) 1
(b) 3
(c) 4
(d) 7
Answer:
(d) 7
Question 3.
How many steps will be needed to reach from -4 to +7?
(a) 4
(b) 7
(c) 11
(d) 3
Answer:
(c) 11
Question 4.
How many steps will be needed to reach from -3 to +6?
(a) 8
(b) 9
(c) 7
(d) 6
Answer:
(b) 9
Question 5.
How many steps will be needed to reach from -7 to +7?
(a) 14
(b) 12
(c) 7
(d) 0
Answer:
(a) 14