Integers Test

Result

Integers Test - 7

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Weekly Quiz Competition

Question 1
1 / -0

What is the nature of the product of a negative integer by itself, odd number of times?

A
Positive

B
Negative

C
Non negative

D
Cannot be determined

Solution

(−1)×(−1)×(−1)..........odd times =(−1) which is negative.
Question 2
1 / -0

What is the value of the expression 7−[13−{−2−6(6of−5)}]?

A
−172

B
180

C
172

D
0

Solution

Use of the order of removal of brackets and simplify. 7−[13−{−2−6(6of−5)}] =7−[13−{−2−6×−30}]=172
Question 3
1 / -0

The value of (−5)×(−4)×(−3)×(−2)×(−1)×0+0×(1)×(2)×(3)×(4)×(5) is

A
120

B
-120

C
240

D
0

Solution

We have, (−5)×(−4)×(−3)×(−2)×(−1)×0+0×1×2×3×4×5=0+0=0
Question 4
1 / -0

What is the opposite of earning Rs. 100?

A
+ Rs. 100

B
Profit of Rs. 100

C
Gain of Rs. 100

D
Spending Rs. 100

Solution

The required opposite is spending Rs. 100.
Question 5
1 / -0

The value of X in −19×(4+(−2))=−19×4+(−19)×X,

A
2

B
-19

C
4

D
-2

Solution

We have. (−19)×(4+(−2))=−19×4+(−19)×X ⇒ (−19)×(4−2)=−19×4+(−19)×X ⇒ (−19)×2=−19×4+(−19)×X ⇒ −38=−76−19X⇒X=38/−19=−2
Question 6
1 / -0

If the dividend and the divisor have like signs, what is the sign of the quotient?

A
Positive

B
Negative

C
Zero

D
Indeterminate

Solution

Dividend = Divisor * Quotient
Question 7
1 / -0

The value of [(−4)×(−9)×(−25)]÷[(−2)×(−3)×(−5)]is

A
10

B
20

C
30

D
40

Solution

We have, [(−4)×(−9)×(−25)]÷[(−2)×(−3)×(−5)] =[36×(−25)]÷[6×(−5)]=−900÷(−30) =−900×1−30=30
Question 8
1 / -0

Which pair of numbers does not have a product equal to 36?

A
{−4,−9}

B
{−3,−12}

C
{−1,−72}

D
{1,36}

Solution

(A)(−4)×(−9)=36,(B)(−3)×(−12)=36 (C)(−1)×(−72)=72, (D)1×36=36
Question 9
1 / -0

Find the value of the given expression (−45)−(−39)+42−28−(−152)−85+(−9).

A
−78

B
−32

C
−550

D
66

Solution

We have, (−45)−(−39)+42−28−(−152)−85+(−9)=−45+39+42−28+152−85−9 =−167+233=66

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Re-Attempt Weekly Quiz Competition

Integers Test - 7

Result

Integers Test - 7

Score

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Rank

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SHARING IS CARING

Question 1

Positive

Negative

Non negative

Cannot be determined

Solution

Question 2

−172

180

172

0

Solution

Question 3

120

-120

240

0

Solution

Question 4

+ Rs. 100

Profit of Rs. 100

Gain of Rs. 100

Spending Rs. 100

Solution

Question 5

2

-19

4

-2

Solution

Question 6

Positive

Negative

Zero

Indeterminate

Solution

Question 7

10

20

30

40

Solution

Question 8

{−4,−9}

{−3,−12}

{−1,−72}

{1,36}

Solution

Question 9

−78

−32

−550

66

Solution

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