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MATHS 1 Marks Question

Integers · Bihar Board (BSEB) STD 7 (BSEB - English Medium). 155 questions.

Questions · Page 3 of 4

1 Marks Question

Question 1011 Mark
Which of the following statements are true and which are false? The product of three negative integers is a negative Integer.
Answer
True.
The number of negative signs is odd.
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Question 1051 Mark
For the following statements, write $(T)$ for true and $(F)$ for false:
$-10$ is greater than $-7$.
Answer
False
$-10$ is less than $-7$
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Question 1061 Mark
Find each of the following products: $3 \times 4 \times (-5)$
Answer
$3 \times 4 \times (-5) = (12) \times (-5) = -60$
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MCQ 1081 Mark
How much less than $-2$ is $-8$?
  • A
    $6$
  • ✓
    $-6$
  • C
    $10$
  • D
    $-10$
Answer
Correct option: B.
$-6$
$-8 - (-6) = 2$
Hence, $-8$ is $-6$ less than $-2$.
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Question 1111 Mark
Write $‘T’$ for true and $‘F’$ for false for each of the following:
$68 ÷ (-17) = 4$
Answer
False
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Question 1121 Mark
Find each of the following products: $(-7) \times (-3) \times 4$
Answer
$(-7) \times (-3) \times 4 = 21 \times 4 = 84$
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Question 1131 Mark
Find each of the following products: $2 \times (-5) \times (-6)$
Answer
$2 \times (-5) \times (-6) = (-10) \times (-6) = 60$
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Question 1141 Mark
Write $‘T’$ for true and $‘F’$ for false for each of the following: $(-8) ÷ 0 = 0$
Answer
False
Dividing any integer by zero is not defined.
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Question 1151 Mark
Fill in the blanks: $1 ÷ ($____$) = -1$
Answer
$1 ÷ (-1) = -1$
$\Rightarrow -1 ÷ 1 = -1 1 ÷ (-1) = -1$
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Question 1191 Mark
Write $‘T’$ for true and $‘F’$ for false for each of the following: $(-1) ÷ (-1) = -1$
Answer
False
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Question 1201 Mark
For the following statements, write $(T)$ for true and $(F)$ for false: The smallest integer is zero.
Answer
False.
$-90$ and $-100$ are also integers. We cannot determine the smallest integer. Since they are infinite.
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Question 1291 Mark
Fill in the blanks: $(-14) \times ($___$) = (-16) \times (-14)$
Answer
$(-14) \times (-1) = (-16) \times (-14)$ [Commutative property]
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Question 1301 Mark
Write $(T)$ for true and $(F)$ for false for the following statements: $(-5) ÷ (-1) = -5$
Answer
False
As $(-5) ÷ (-1) = 5$ (product will be positive)
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Question 1311 Mark
Fill in the blanks: $39 + ($_____$) = -1$
Answer
$39 ÷ (-39) = -1 $
$\Rightarrow 39 ÷ (-1) = -39 39 ÷ (-39) = -1$
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