Question # 1

Solution set of 4x - 7y = 12 and 3x + y = 9 is

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(0,3)

(1,3)

(6,3)

(3,0)

5 in binary system is:

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(10)₂

(101)₂

(11)₂

None of these

The discount which is calculated on list price of goods is called

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Trade discount

Cash discount

Rebate

None of these

Profit on an item of cost Rs.1000 C4.5% is:

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Rs.45

Rs.955

Rs.50

None of these

The problem which deal with more than one proportion belongs to

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Compound proportion

Inverse proportion

direct proportion

Continued proportion

A matrix with same number of rows and columns is known as:

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Diagonal matrix

Scalar matrix

Square matrix

None

A number six time is 180 find the number

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10

20

30

40

If A is matrix of order mxn then to get AB, the matrix B must be order of

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m x m

P x P

m x P

n x P

The fractional form of 8.5% is

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Commission is:

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Remuneration

Salary

Wages

None of these

90.5% in common fraction:

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0.9

10/9

9/10

181/200

The binary number "10" is in decimal number system is equivalent to:

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1

2

3

4

Any matrix "A" is a symmetric matrix if:

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A = -A

A = A^t

A = -A^t

A = A^-t

45% of 900 is:

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450

400

405

300

The roots of quadratic equation will be imaginary if b² - 4ac is

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0

-ve

+ve

Greater than zero

In compound interest method, the interest earned is considered as to be:

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Reinvested

De-invested

Both a and b

None of these

The degree of equation 5x² + 7x + 6 is.

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2

3

4

5

Number of digits in decimal system

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5

8

10

9

The solution set for a quadratic equation x² -8x + 15 is

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(3, 5)

(-3, -5)

(3, -5)

(-5, 3)

Do AB = BA?

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Never

Yes

May or may not

None of these

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Equal

Possible

Not possible

Zero

A + 0 is equal to:

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0

A

O + A

None of these

Any matrix "A" is a symmetric matrix if

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A = A

A = A^t

A = -A^t

A = A-I

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