Exams Questions and Answers

Q:

What are long chains of Carbon Molecules called

A) Ribosomes	B) Hydrocarbons
C) Polymers	D) None

Answer & Explanation Answer: C) Polymers

Explanation:

A small organic molecule (sugars or amino acids), several of which may be bonded together to form a chain called a polymer.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams
Job Role: Bank PO

12 11894

Q:

What is the number of digits in $3^{3^{3}}$ ? Given that log3 = 0.47712?

A) 12	B) 13
C) 14	D) 15

Answer & Explanation Answer: B) 13

Explanation:

Let $L e t x = (3^{3^{3}})$ = ${(3^{3})}^{3}$

Then, $\log (x) = 3^{3} \log (3)$

= 27 x 0.47712 = 12.88224

Since the characteristic in the resultant value of log x is 12

$∴$ The number of digits in x is (12 + 1) = 13

Hence the required number of digits in $3^{3^{3}}$ is 13.

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Filed Under: Logarithms
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51 11891

Q:

The age of Sohail, Afzal and Bilal are 17,16 and 12 respectively. If the age of Aslam also included the average of the ages is increased by 5. What is the age of Aslam?

A) 32	B) 33
C) 34	D) 35

Answer & Explanation Answer: D) 35

Explanation:

Given S = 17 yrs

A = 16 yrs

B = 12 yrs

Average = 17 + 16 + 12/3 = 15 yrs

Given if Aslam added to them, their average increases by 5

=> Average of 4 members = 20

Let the age of Aslam be 'x'

Then,

17 + 16 + 12 + x /4 = 20

=> x = 80 - 45

=> x = 35.

Hence, the age of Aslam is 35 yrs.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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15 11885

Q:

Find the one which does not belong to that group ?

A) 343	B) 2197
C) 1331	D) 121

Answer & Explanation Answer: D) 121

Explanation:

343 = $7^{3}$ , 1331 = $11^{3}$ , 2197 = $13^{3}$ , 121 = $11^{2}$

343, 1331, 2197 are perfect cubes, but not 121.

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Filed Under: Odd Man Out
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12 11874

Q:

In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum?

A) 2.9 years	B) 3.5 years
C) 4.2 years	D) 4.7 years

Answer & Explanation Answer: B) 3.5 years

Explanation:

Given that Rs. 1860 will become Rs. 2641.20 at 12%

=> Simple Interest = 2641.20 - 1860 = Rs. 781.20

We know I = PTR/100

=> 781.20 x 100 = 1860 x T x 12

=> T = 78120/1860x12

=> T = 78120/22320

=> T = 3.5 years.

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Filed Under: Simple Interest
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30 11862

Q:

The given graph shows the distribution of minerals in the human body.

Based on the given data, what is the ratio of calcium to sodium found in the human body?

A) 4:1	B) 2:1
C) 3:1	D) 5:1

Answer & Explanation Answer: A) 4:1

Explanation:

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Filed Under: Pie Charts
Exam Prep: Bank Exams

1 11846

Q:

The height of the wall is 6 times its width and lenght of the wall is 7 times its height .if the volume of the wall be 16128 cu.m.its width is

A) 4m	B) 5m
C) 6m	D) 7m

Answer & Explanation Answer: A) 4m

Explanation:

Let width = x

Then, height = 6x and length = 42x

42x * 6x * x = 16128

x = 4

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

12 11842

Q:

Identify the diagram that best represents the relationship among classes given below:

Stationery items, Pencils, Potatoes

A) 1	B) 2
C) 3	D) 4

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