AIEEE Questions and Answers with Explanation

Q:

Rice worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, then the price of third variety of rice per kg?

A) Rs. 571.25	B) Rs. 175.5
C) Rs. 751.75	D) Rs. 850

Answer & Explanation Answer: B) Rs. 175.5

Explanation:

Let the price of required variety = Rs. P/kg

Then, respective amounts were m kg, m kg and 2m kg

= 126m + 135m + 2pm = 153 x 4m

=> 2p = 351

p = 175.5 / kg

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Filed Under: Ratios and Proportions
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37 5931

Q:

At what time will B catch up with A, if A starts from a place at 11.00 A.M. and travels at a speed of 3.5 kmph, B starts at 1.00 P.M. and travels with speeds of 1 kmph for 1 hour, 2 kmph for the next 1 hour, 3 kmph for the next 1 hour and so on.

A) 8 : 47 pm	B) 6 : 40 pm
C) 8 : 42 pm	D) 7 : 40 pm

Answer & Explanation Answer: D) 7 : 40 pm

Explanation:

At 1 pm ... Distance between A and B = 2x3.5 = 7 kms
at 2 pm .....Distance between A and B = 7 + 3.5 - 1 = 9.5 kms
At 3 pm ....Distance between A and B = 9.5 + 3.5 - 2 = 11 kms.
..
..
..
At 7 pm distance between A and B = 3 kms.
From 7 pm to 8 pm, speed of A = 3.5 kmph
speed of B = 8 kmph
Relative speed = 4.5 kmph

Time taken by B to meet A = 3/4.5 hrs = 30/45 hrs = 120/3 mins = 40 mins.

So meeting time is 7 : 40 PM.

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Filed Under: Arithmetical Reasoning
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2 5927

Q:

The Value of $[\log (\tan (1^{0})) + \log (\tan (2^{0})) + \dots \dots + \log (\tan (89^{0}))]$ is

A) -1	B) 0
C) 1/2	D) 1

Answer & Explanation Answer: B) 0

Explanation:

$= [\log \tan (1^{0}) + \log \tan (89^{0})] + [\log \tan (2^{0}) + \log \tan (88^{0})] + \dots \dots + [\log \tan (45^{0})]$

$= \log [\tan (1^{0}) \times \tan (89^{0})] + \log [\tan (2^{0}) \times \tan (88^{0})] + \dots \dots + \log (1)$

$[∵ \tan (90 - θ) = c o t θ a n d \tan (45^{0}) = 1]$

= log 1 + log 1 +.....+log 1

= 0.

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Filed Under: Logarithms
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27 5923

Q:

What is the main component of bones and teeth?

A) Calcium Phosphate	B) Calcium Carbonate
C) Calcium Nitrate	D) Calcium Sulphate

Answer & Explanation Answer: A) Calcium Phosphate

Explanation:

The main component of bones and teeth is Calcium Phosphate.

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Filed Under: General Science
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9 5919

Q:

Which of the following is a true statement about Intranet and Internet ?

A) Encryption is necessary	B) They use similar protocol
C) Speed is slow	D) They use the same protocol

Answer & Explanation Answer: D) They use the same protocol

Explanation:

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Filed Under: Computer
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16 5916

Q:

Alloy of copper and zinc is called

A) Bronze	B) Gold
C) Silver	D) Brass

Answer & Explanation Answer: D) Brass

Explanation:

alloy_of_copper_and_zinc_is_called1556100441.jpg image

Alloy of copper and zinc is called as Brass.

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Filed Under: Chemistry
Exam Prep: GATE , Bank Exams , AIEEE
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3 5909

Q:

Clove the commonly used spice is obtained from the

A) stem	B) root
C) flower bud	D) fruit

Answer & Explanation Answer: C) flower bud

Explanation:

Clove the commonly used spice which is obtained from the flower buds of a tree in the family Myrtaceae, Syzygium aromaticum.

clove_the_commonly_used_spice_is_obtained_from_the1536734920.jpg image

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Filed Under: General Science
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10 5905

Q:

Cancer is caused by

A) Loss of immunity of cells	B) Uncontrolled meiosis
C) Uncontrolled mitosis	D) Rupturing of cells

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