Who invented the doctors thermometer?

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

Who invented the doctors thermometer?

AFahrenheit

BEdIson

CGalileo

DNone of these

Nithin K ? Apr 18 '2018 at 6:53

Correct Answer: A [Fahrenheit]

Explanation:

In 1714 Dutch scientist and inventor Daniel Gabriel Fahrenheit invented the first reliable thermometer, using mercury instead of alcohol and water mixtures. In 1724 he proposed a temperature scale which now (slightly adjusted) bears his name.

View Answer

Discuss

138.009 + 341.981 - 146.305 = 123.6 +?

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

138.009 + 341.981 - 146.305 = 123.6 +?

A120.085

B120.85

C220.085

D None of these

Nithin K ? Apr 17 '2018 at 21:30

Correct Answer: D [ None of these]

Explanation:

123.6 + ?

= 138.009 + 341.981 - 146.305

=> 123.6 +? = 479.99 - 146.305

=> 123.6 + ? = 333.685

? = 333. 685 - 123.6 = 210.085

View Answer

Discuss

If (x:y)=2: 1,then(x^2-y^2): (x^2+ y^2) is

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

$$If (x:y)=2: 1,then(x^2-y^2): (x^2+ y^2) is: $$

A3:5

B5:3

C1:3

D3:1

Nithin K ? Apr 17 '2018 at 21:20

Correct Answer: 3:5

Explanation:

\(\frac{x}{y}=\frac{2}{1} \text{ (Given)}\)

\(\text{Expression} = \frac{x^2-y^2}{x^2+y^2} = \frac{\frac{x^2}{y^2}-1}{\frac{x^2}{y^2}+1}\)

\(=\frac{(\frac{2}{1})^2-1}{(\frac{2}{1})^2+1}= \frac{4-1}{4+1}=\frac{3}{5}\)

View Answer

Discuss

If the difference of the squares of two numbers is 580 and their sum Is 58. then the difference between the numbers will be

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

If the difference of the squares of two numbers is 580 and their sum Is 58. then the difference between the numbers will be

A10

B12

C29

D16

Nithin K ? Apr 16 '2018 at 20:47

Answer is : A [10]

Explanation:

\(x^2-y^2=580\)

and \(x +y=58\)

\(\therefore x-y= \frac{x^2-y^2}{x+y}=\frac{580}{58}=10\)

View Answer

Discuss

LTTE is a militant organisation of

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

LTTE is a militant organisation of

ASri Lanka

BBangladesh

CNepal

DPakistan

Nithin K ? Apr 16 '2018 at 20:39

Correct Answer: A [Sri Lanka]

Explanation:

LTTE is a militant organisation of Srilanka. Its chief was Prabhakaran.

View Answer

Discuss

The British government report is called

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

The British government report is called

ABlue Book

BRed Book

CYellow Book

DGreen Book

Nithin K ? Apr 16 '2018 at 20:34

Correct Answer: A[Blue Book]

Explanation:

UK National Accounts, The Blue Book time series dataset. Records and describes economic activity in the UK and as such is used by government, banks, academics and industries to formulate the economic and social policies and monitor the economic progress of the UK.

View Answer

Discuss

DIn-i-Elahi was started by

Report

Report an issue

Name

Email

Message

Submit

Cancel

RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

DIn-i-Elahi was started by

AHumanyu

BShahjehan

CBabur

DAkbar

Nithin K ? Apr 16 '2018 at 20:23

Correct Answer: D [Akbar]

Explanation:

The Dīn-i Ilāhī (lit. "Religion of God") was a syncretic religion propounded by the Mughal emperor Akbar in 1582 AD, intending to merge the best elements of the religions of his empire, and thereby reconcile the differences that divided his subjects.

View Answer

Discuss