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Q:

Which waves cannot be transmitted through vacuum?

A) Electromagnetic	B) Light
C) Sound	D) Heat

Answer & Explanation Answer: C) Sound

Explanation:

Sound waves cannot be transmitted through vacuum.

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Filed Under: Physics
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Q:

Suresh starts working as a analyst on an annual salary of Rs. 160000. If he receives a 15% pay-rise each year, the number of years he has worked for the company, when his annual salary became Rs. 279841 is

A) 3.5 yrs	B) 4 yrs
C) 4.5 yrs	D) 5 yrs

Answer & Explanation Answer: B) 4 yrs

Explanation:

From the given data in the question,

$279841 = 160000 x {(1 + \frac{15}{100})}^{t} \frac{279841}{160000} = {(\frac{115}{100})}^{t}$

t = 4 years.

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Filed Under: Percentage
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Q:

Arun, Bharat and Chari started a business in a partnership with investment of Rs 12000, Rs 26000 and Rs 32000 respectively. After 4 months Arun leaves. After 6 months Bharat leaves and Arun joins with an amount equal to his earlier investment. After 10 months, Chari leaves and Bharat joins with his prior investment. At the end of the year they earn a profit of Rs 53622. Find the share of chari in the annual profit?

A) 16547	B) 17212
C) 14875	D) 27848

Answer & Explanation Answer: D) 27848

Explanation:

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Filed Under: Partnership
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Q:

That which cannot be seen -

A) Invisible	B) Unseen
C) Intangible	D) All of the above

Answer & Explanation Answer: A) Invisible

Explanation:

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Filed Under: English
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Q:

On Rs. 3500 invested at a simple interest rate of 7 per cent per annum, Rs. 500 is obtained as interest in certain years. In order to earn Rs. 800 as interest on Rs. 4900 in the same number of years, what should be the rate of simple interest?

A) 8%	B) 7.5%
C) 9%	D) 8.5%

Answer & Explanation Answer: A) 8%

Explanation:

From the given data,

3500x7xt/100 = 500

=> t = 100/49 years

Now, in the second case

The interest per year = 49/100 x 800 = 392

=> 4900 x 1 x r/100 = 392

=> r = 8%

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Filed Under: Simple Interest
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Q:

If the true discount on sum due 2 years hence at 14% per annum be Rs. 168, the sum due is

A) Rs. 600	B) Rs. 768
C) Rs. 878	D) Rs. 668

Answer & Explanation Answer: B) Rs. 768

Explanation:

We know that,

P.W = 100×T.D/R×T

= 100×168/14×2

P.W = 600.

Now, required Sum = (P.W. + T.D.)

= Rs. (600 + 168)

= Rs. 768.

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Filed Under: True Discount
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Q:

I am lighter than air but a hundred people cannot lift me?

What am I?

Answer

A bubble is what lighter than air but a hundred people cannot lift me.

bubble11585559583.jpg image

Workspace

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Subject: Logic Puzzles Exam Prep: CAT , Bank Exams , AIEEE
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Q:

Engineer's Day is celebrated on the birth anniversary of

A) Srinivasa Ramanujan	B) Aryabhatta
C) M. Visvesvaraya	D) C.V Raman

Answer & Explanation Answer: C) M. Visvesvaraya

Explanation:

Engineer's Day is celebrated on the birth anniversary of Sir Mokshagundam Visvesvaraya in the memory of his contributions in engineering. Every year on his birthday i.e, on September 15 National Engineers Day is celebrated all over the country.

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Filed Under: Important Days and Years
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