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Q:

P(3,1) and R(-7,5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?

A) 5x - 2y = 16 B) 5x - 2y = -16
C) 5x + 2y = -16 D) 5x + 2y = 16
 
Answer & Explanation Answer: B) 5x - 2y = -16

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

A) 2√3 cm B) 3√2 cm
C) 4√3 cm D) √3 cm
 
Answer & Explanation Answer: A) 2√3 cm

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

For every action, there is an equal and opposite reaction, is Newton's

A) First law B) Second law
C) Third law D) Fourth law
 
Answer & Explanation Answer: C) Third law

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

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Q:

Which describes the work of Nicolaus Copernicus?

A) Inventing analytic geometry B) Experimenting on Human Bodies
C) Studying prisms and the nature of light D) Developing a Heliocentric Theory
 
Answer & Explanation Answer: D) Developing a Heliocentric Theory

Explanation:

Nicolaus Copernicus was decribed by his work on "The Heliocentric Theory" which is based on that the earth revolves around the Sun.

 

This theory was developed in parts by different astronomers over many years, namely Aristarchus, Copernicus, Kepler, and Galileo.

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Filed Under: Famous Personalities
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

x and y are two numbers such that their mean proportion is 9 and third proportion is 243. What is the value of x and y?

A) 3 and 9 B) 3 and 27
C) 6 and 27 D) 6 and 81
 
Answer & Explanation Answer: B) 3 and 27

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Δ DEF is right angled at E. If m∠D = 30°, what is the length of DE (in cm), if EF = 6√3 cm?

A) 18 B) 12√3
C) 18√3 D) 12
 
Answer & Explanation Answer: A) 18

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Sum of a fraction and thrice its reciprocal is 31/6. What is the fraction?

A) 2/9 B) 9/4
C) 9/2 D) 4/9
 
Answer & Explanation Answer: C) 9/2

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

In the following questions, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

 

A) Preferred B) Prefereed
C) Prrefored D) Prefearred
 
Answer & Explanation Answer: A) Preferred

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

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