GATE Questions and Answers with Explanation

Q:

Arun and Varun started business in partnership investing Rs. 20,000 and Rs. 15,000 respectively. After six months, Akhil joined them with Rs. 20,000. What will be Varun's share in the total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business ?

A) Rs. 7500	B) Rs. 4520
C) Rs. 8750	D) Rs. 6350

Answer & Explanation Answer: A) Rs. 7500

Explanation:

Arun : Varun : Akhil = (20000 x 24) : (15000 x 24) : (20000 x 18) = 4:3:3

B's share = 25000 x 3/10 = Rs. 7500.

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Filed Under: Partnership
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5 9987

Q:

What is two weeks from today?

A) same day	B) previous day
C) next day	D) None

Answer & Explanation Answer: A) same day

Explanation:

We know that the day repeats every 7 days, 14 days, 21 days,...

So if today is Monday, after 7 days it is again Monday, after 14 days again it is Monday.

Hence, after 2 weeks i.e, 14 days the day repeats and is the same day.

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Filed Under: Calendar
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59 9981

Q:

A salesman calculated his profit on the marked price and finds it to be 30%. He forgets the fact that he gave a discount of 20%. What is his actual profit percentage?

A) 260/11%	B) 18.4%
C) 22.5%	D) 100/7%

Answer & Explanation Answer: D) 100/7%

Explanation:

When profit is calculated on Marked Price (M.P) then,

C.P = M.P - P%

Let M.P = 100

=> C.P = 100 - 30 = 70

But S.P = Rs. 80 as he gave 20% discount,

Now, Actual Profit = $\frac{80 - 70}{70} x 100$

= 100/7 %

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Filed Under: Profit and Loss
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18 9967

Q:

egg: fish : : ________ : plant

A) seed	B) stem
C) root	D) leaf

Answer & Explanation Answer: A) seed

Explanation:

Fish is from eggs whereas plant is from seeds.

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Filed Under: Analogy
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9 9956

Q:

Tractor : Trailer :: Horse : ?

A) Saddle	B) Engine
C) Cart	D) Stable

Answer & Explanation Answer: C) Cart

Explanation:

Here the given words are related in such a way that,

Trailer is pulled by Tractor and similarly, Cart is pulled by Horse.

Hence, Tractor : Trailer :: Horse : Cart.

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Filed Under: Analogy
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Q:

Which acid is produced when milk gets sour?

A) Lactic acid	B) Acetic acid
C) Tartaric acid	D) Butyric acid

Answer & Explanation Answer: A) Lactic acid

Explanation:

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11 9920

Q:

How many days are there in k weeks k days ?

A) 8+k days	B) 7+1k days
C) 8k days	D) 7/k days

Answer & Explanation Answer: C) 8k days

Explanation:

As we know that a week has 7 days,

k weeks k days = (7k + k) days = 8k days.

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Filed Under: Calendar
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11 9917

Q:

When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ?

A) 22	B) 36
C) 32	D) 26

Answer & Explanation Answer: B) 36

Explanation:

Total number of students = 54 x 30
When arranged in rows of 45, number of rows formed are,
$\frac{54 x 30}{45}$ = 36.

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Filed Under: Average
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10 9917

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