Exams Questions and Answers

Q:

If $\sin θ = 40 / 41$ , then $c o t θ$ is

A) 40/9	B) 9/40
C) 9/41	D) 41/9

Answer & Explanation Answer: B) 9/40

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the value of $\{{(216)}^{\frac{2}{3}} + {(36)}^{\frac{- 1}{2}}\}$

A) 216/6	B) 218/6
C) 215/6	D) 217/6

Answer & Explanation Answer: D) 217/6

Explanation:

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Q:

Which of the following statements is/are correct?

1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves.

2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant.

3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant.

Select the correct answer using the code given below.

A) 1 only	B) 1 and 2 only
C) 2 and 3 only	D) 1, 2 and 3

Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All are correct. Gravitational waves don’t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world’s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

A person with blood group AB

A) Can donate blood to persons with blood group A, B and O	B) Is called universal blood donor
C) Can receive blood from any group	D) Is neither a universal recipient nor a donor

Answer & Explanation Answer: C) Can receive blood from any group

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

Conditions:

I is brother of J

K is father of I

L is brother of M

M is daughter of J , then

Who is I to L?

A) Grand father	B) Uncle
C) Son	D) Brother

Answer & Explanation Answer: B) Uncle

Explanation:

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Filed Under: Blood Relations
Exam Prep: GATE
Job Role: Network Engineer

19 57651

Q:

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but,not together?

A) (5 + 5/11 )min past 7	B) (6 + 5/11) min past 7
C) 7	D) 8

Answer & Explanation Answer: A) (5 + 5/11 )min past 7

Explanation:

When the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart.
At 7 o'clock, they are 25 min. spaces apart.
$\therefore$ Minute hand will have to gain only 5 min. spaces.
55 min. spaces are gained in 60 min.

5 min spaces are gained in $(\frac{60}{55} * 5)$ min = $5 \frac{5}{11}$ min

so, Required time = $5 \frac{5}{11}$ min past 7

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

90 57624

Q:

What is the value of $\sqrt[3]{512} + \sqrt{169} + \sqrt[3]{216} + \sqrt{225}$ ?

A) 48	B) 32
C) 42	D) 36

Answer & Explanation Answer: C) 42

Explanation:

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Q:

If $y - \frac{1}{y} = 4$ , then find the value of $(y^{3} - \frac{1}{y^{3}})$ .

A) 64	B) 76
C) 88	D) 90

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