19 Search

Free Q&A
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job Roles
True or False

Login

Forgot Password?

Home/
Searching for 19

Searching for "19"

Δ ABC is right angled at B. If m∠A = $30 °$ , what is the length of AB (in cm), if AC = 10 cm?

A) 5	B) 5√3
C) 10√3	D) 10

A) 5

B) 5√3

C) 10√3

D) 10

Answer & Explanation Answer: B) 5√3

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

What is the value of $Cot 60 ° - Sec 45 °$ ?

A) (√2 - √3)/√6	B) (√3 - 3√2)/3
C) (1 - 2√2)/2	D) (1 - √3)/2

A) (√2 - √3)/√6

B) (√3 - 3√2)/3

C) (1 - 2√2)/2

D) (1 - √3)/2

Answer & Explanation Answer: B) (√3 - 3√2)/3

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

If a + b = 10 and ab = 24, then what is the value of $a^{3} + b^{3}$ ?

A) 280	B) 152
C) 140	D) 72

A) 280

B) 152

C) 140

D) 72

Answer & Explanation Answer: A) 280

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?

A) 3/4	B) 4/3
C) 5/4	D) 4/5

A) 3/4

B) 4/3

C) 5/4

D) 4/5

Answer & Explanation Answer: A) 3/4

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

If x + 1/x = 6, then value of $x^{2} + 1 / x^{2}$ is

A) 23	B) 16
C) 34	D) 32

A) 23

B) 16

C) 34

D) 32

Answer & Explanation Answer: C) 34

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

If a(x + y) = b(x - y) = 2ab, then the value of $2 (x^{2} + y^{2})$

A) 2(a2 - b2)	B) 2(a2 + b2)
C) 4(a2 - b2)	D) 4(a2 + b2)

A) 2(a2 - b2)

B) 2(a2 + b2)

C) 4(a2 - b2)

D) 4(a2 + b2)

Answer & Explanation Answer: D) 4(a2 + b2)

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

If x + 1/x = √13, then $\frac{3 x}{(x^{2} - 1)}$ equal to

A) 3√13	B) √13/3
C) 1	D) 3

A) 3√13

B) √13/3

C) 1

D) 3

Answer & Explanation Answer: C) 1

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

If x = 1/(√2+1) then the value of $x^{2} + 2 x - 1$ is

A) 2√2	B) 4
C) 0	D) 2

A) 2√2

B) 4

C) 0

D) 2

Answer & Explanation Answer: C) 0

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

First « Prev 128 129 130 131 132 133 134 135 136 137 Next » Last

Quick Links

About Us

Advertise with Us

Study Material