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One of the roots of the equation $x^{2} - 6 x + k = 0$ is x = 2. The other root is

A) x = -1	B) x = 4
C) x = -4	D) x = 1

A) x = -1

B) x = 4

C) x = -4

D) x = 1

Answer & Explanation Answer: B) x = 4

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

If $tanα = \sqrt{2} + 1$ , then the value of $tanα - cotα$ is

A) √2 - 1	B) 2√2
C) 2	D) 1

A) √2 - 1

B) 2√2

C) 2

D) 1

Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

If $x^{2} + kx + k = 0$ has repeated roots, then the value of k will satisfy :

A) k<0 or k>4	B) k=4 only
C) 0<k<4	D) k=4 or k=0

A) k<0 or k>4

B) k=4 only

C) 0<k<4

D) k=4 or k=0

Answer & Explanation Answer: D) k=4 or k=0

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

${(4 x - 7)}^{2} = ?$

A) 4x2 - 56x + 49	B) 4x2 - 14x + 49
C) 16x2 + 14x + 49	D) 16x2 - 56x + 49

A) 4x2 - 56x + 49

B) 4x2 - 14x + 49

C) 16x2 + 14x + 49

D) 16x2 - 56x + 49

Answer & Explanation Answer: D) 16x2 - 56x + 49

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

If a - b = 5 and $a^{2} + b^{2} = 97,$ ab = ?

A) 48	B) 32
C) 36	D) 72

A) 48

B) 32

C) 36

D) 72

Answer & Explanation Answer: C) 36

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Filed Under: Simplification
Exam Prep: Bank Exams

Determine the value of m for which $4 x + \frac{\sqrt{x}}{6} + \frac{m^{2}}{4}$ is a perfect square.

A) 1/24	B) 1/12
C) 12	D) 24

A) 1/24

B) 1/12

C) 12

D) 24

Answer & Explanation Answer: B) 1/12

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

Calculate the value of x, if $\sqrt{1 - (\frac{x}{529})} = (\frac{16}{23})$

A) 283	B) 276
C) 273	D) 374

A) 283

B) 276

C) 273

D) 374

Answer & Explanation Answer: C) 273

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

Find the remainder in the expression $\frac{557 x 653 x 672}{9}$ ?

A) 0	B) 3
C) 5	D) 6

A) 0

B) 3

C) 5

D) 6

Answer & Explanation Answer: D) 6

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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