Exams Questions and Answers

Q:

What is the area of an obtuse angled triangle given below with two sides are 8 and 12 and the angle included between two sides is 150 deg?

A) 48 sq units	B) 24 sq units
C) 12 sq units	D) 6 sq units

Answer & Explanation Answer: B) 24 sq units

Explanation:

We know that,

The area of a triangle with two sides given and included angle

A = 1/2 x product of sides x Sin(angle)

Here the two sides are 8 & 12

Angle = 150

Area = 1/2 x 8 x 12 x sin150

Sin(150) = sin(90+60) = cos(60) = 1/2

A = 48 x 1/2 = 24

Area of the given triangle = 24 sq units.

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Filed Under: Area
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Q:

On simple interest an amount becomes Rs. 812 in two years and Rs. 924 in four years. What is the rate of interest on that amount?

A) 7.2%	B) 8%
C) 8.5%	D) 9.3%

Answer & Explanation Answer: B) 8%

Explanation:

We know,

S.I = PTR/100 where P = principal amount, T = time, R = rate of interest

Here in the given data,

Interest for two years S.I = 924 - 812 = Rs. 112

Now, Principal amount P = 812 - 112 = Rs. 700

Now,

R = S.I x 100/PT

R = 112 x 100/700 x 2

R = 11200/1400

R = 8%

Hence, the rate of interest R = 8%.

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Filed Under: Simple Interest
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Q:

Who has been nominated for the prestigious Padma Bhushan award by the Sports Ministry for 2017 ?

A) M S Dhoni	B) P V Sindhu
C) Hardik Pandya	D) Virender Sehwag

Answer & Explanation Answer: B) P V Sindhu

Explanation:

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

Find the standard deviation of {11, 7, 10,13, 9}

A) 1	B) 2
C) 4	D) 5

Answer & Explanation Answer: B) 2

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

Who has been named as president for its India and SAARC operations by Tech giant Cisco ?

A) Sameer Garde	B) Ravi Prakash
C) Vyas Garg	D) Ravi Mittal

Answer & Explanation Answer: A) Sameer Garde

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
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Q:

The value of $[\frac{1}{3} l o g_{10} (125) - 2 l o g_{10} (4) + l o g_{10} (32)] :$

A) 0	B) 1
C) 2	D) 4/5

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Logarithms
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24 5263

Q:

Find the regular polygon whose interior angel is 150 more than exterior angle. note the total sum of interior and exterior angle should be 180 at one point ?

A) 12	B) 24
C) 36	D) 6

Answer & Explanation Answer: B) 24

Explanation:

Sum of Interior angle is 180 .
and it is given that interior angle is 150 more than exterior,
so let exterior angle is x then interior will be x+150

now , interior + exterior =180
x+150+x=180
x=15

now , number of sides of polygon = 360 / exterior angle
n = 360 / 15
n = 24

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Filed Under: Numbers
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Q:

Vineet is taller than Raman but shorter than Jyoti. Sumit is the shortest. Deepak is taller than Sumit but shorter than Raman. Who is the tallest?

A) Jyoti	B) Raman
C) Vineet	D) Deepak

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