Find the fourth number which is proportional to 8, 18, 24

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KPTCL Assistant Exam (Mescom) SLOT1 2017 click here to view all questions

Find the fourth number which is proportional to 8, 18, 24.

A28

B72

C48

D54

prakash ? Oct 19 '2017 at 14:17

Answer is : 54

Explanation:

8 :18 = 24 :x

\(\frac{8}{18} = \frac{24}{x}\)

\(x = \frac{24 \times 18}{8}\)

\(x = 54\)

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A number divided by 68 gives the quotient 269 and remainder zero. If the same number is divided by 67, the remainder is

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RRB ASSISTANT LOCO PILOT (Allahabad) 2010 click here to view all questions

A number divided by 68 gives the quotient 269 and remainder zero. If the same number is divided by 67, the remainder is

A0

B1

C2

D3

rajenda ? Dec 23 '2019 at 16:27

Correct answer is:1

Explanation:

According to question

\(\Large \frac{269 \times 68}{67}\Rightarrow \frac{269}{67} \times \frac{68}{67}\)

 

Remainder = 1×1=1

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In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.3, 9, 27, 81, (.…)

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RRB GG Exam (Bhopal) 2009 click here to view all questions

In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
3, 9, 27, 81, (.…)

A324

B243

C210

D162

roshan ? Jan 11 '2020 at 16:29

Correct answer is: 243

Explanation:

Each term of the given series is obtained by multiplying its preceding term by 3.
.'. Missin number = 81 * 3 = 243.

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Find out the wrong term.57. 196, 169, 144, 121, 80

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RRB GG Exam (Bhopal) 2009 click here to view all questions

Find out the wrong term. 57. 196, 169, 144, 121, 80

A80

B169

C121

D196

rohan ? Jan 11 '2020 at 13:49

Correct answer is: 80

Explanation:

The sequence is \((14)^2, (13)^2, (12)^2, (11)^2, (10)^2.\)
So, 80 is wrong and must be replaced by \((10)^2\)  i.e. 100.

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Find out the wrong term.56. 24, 27, 31, 33, 36

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RRB GG Exam (Bhopal) 2009 click here to view all questions

Find out the wrong term. 56. 24, 27, 31, 33, 36

A33

B31

C27

D24

roshan ? Jan 11 '2020 at 13:46

Correct answer is: 31

Explanation:

Each term in the series is increased by 3 to obtain the next term.
So, 31 is wrong and must be replaced by (27 + 3) i.e. 30.

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