AIEEE Questions and Answers with Explanation

Q:

When $7^{21}$ + $7^{22}$ + $7^{23}$ + $7^{24}$ is divided by 25 the remainder is:

A) 5	B) 17
C) 7	D) 0

Answer & Explanation Answer: D) 0

Explanation:

Given, $7^{21}$ + $7^{22}$ + $7^{23}$ + $7^{24}$

$7^{21}$ (1 + 7 + 49 + 343)
$7^{21}$ (400)

Now, 400 is divisible by 25. The remainder will be 0

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

2 5043

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
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

24 5041

Q:

One hour is what percent of a day?

A) 5.6%	B) 4.16%
C) 3.35%	D) 6.7%

Answer & Explanation Answer: B) 4.16%

Explanation:

A day has 24 hrs

=> If 24 hrs - 100

Then 1 hr = ?

100/24 = 4.16%

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT
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31 5040

Q:

There are 26 balls marked with alphabetical order A to Z. What is the probability of selecting vowels listed balls?

A) 1	B) 21/26
C) 5/26	D) 5

Answer & Explanation Answer: C) 5/26

Explanation:

We know that,

Total number of balls n(S) = 26

Number of vowels n(E) = 5

Hence, required probability = n(E)/n(S) = 5/26.

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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44 5037

Q:

According to experts what percentage of trash is recyclable?

A) 16%	B) 36%
C) 72%	D) 90%

Answer & Explanation Answer: D) 90%

Explanation:

according_to_experts_what_percentage_of_trash_is_recyclable1556256889.jpg image

EPA - Environmental Protection Agency.

The EPA estimates that 85% - 90% of the waste is recyclable, but we only recycle about 30% - 40% of it.

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Filed Under: General Awareness
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

5 5035

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
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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7 5032

Q:

pturecmo correct word

pturecmo_correct_word1543405055.jpg image

A) temperature	B) capture
C) Computer	D) torture

Answer & Explanation Answer: C) Computer

Explanation:

Computer is the correct word.

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Filed Under: English
Exam Prep: AIEEE , Bank Exams , GRE , TOEFL
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5 5030

Q:

What is a direct result of aerobic respiration?

A) The enzymes for anaerobic respiration are produced and stored in lysosomes	B) Alcohol is produced by yeast and bacteria
C) The potential energy of glucose is transferred to ATP molecules	D) Lactic acid is produced in muscle tissue

Answer & Explanation Answer: C) The potential energy of glucose is transferred to ATP molecules

Explanation:

Aerobic respiration is the reaction takes place in presence of oxygen which quite opposite to anerobic. The direct result of aerobic repiration is ATP molecules from breakdown of glucose molecules.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO

4 5026

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