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Q:

In the following question, select the missing number from the given series.

 

8, 16, ?, 64, 128

 

A) 30 B) 32
C) 28 D) 48
 
Answer & Explanation Answer: B) 32

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

4 16717
Q:

How many cubes of 10cm edge can be put in a cubical box of 1m edge

A) 10 B) 100
C) 1000 D) 10000
 
Answer & Explanation Answer: C) 1000

Explanation:

Number of cubes= (100x100x100) / (10x10x10)= 1000

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

45 16715
Q:

Refer the below data table and answer the following question.

Who has the least weight to height ratio?

A) Anju B) Ankitha
C) Anupama D) Anuradha
 
Answer & Explanation Answer: C) Anupama

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 16712
Q:

Refer the data and answer the question.

Rent and Taxes are what percent of total expenses?

A) 21.32 percent B) 28.57 percent
C) 14.07 percent D) 35.82 percent
 
Answer & Explanation Answer: B) 28.57 percent

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 16710
Q:

Profit after tax for any year = profit of that year - tax of that year

Tax on any year = tax rate of that year x profit of the year

 

Which of the following is correct about profit after tax for year Y2, Y6 and Y8?

A) Y8 > Y6 = Y2 B) Y6 > Y2 > Y8
C) Y8 > Y6 > Y2 D) Y6 = Y8 > Y2
 
Answer & Explanation Answer: C) Y8 > Y6 > Y2

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 16691
Q:

In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples ?

A) 6/7 B) 19/21
C) 7/31 D) 5/21
 
Answer & Explanation Answer: D) 5/21

Explanation:

Number of ways of (selecting at least two couples among five people selected) = (⁵C₂ x ⁶C₁)

As remaining person can be any one among three couples left.

Required probability = (⁵C₂ x ⁶C₁)/¹⁰C₅
= (10 x 6)/252 = 5/21

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

12 16685
Q:

A periscope works by the principle of

A) Total internal reflection B) Refraction
C) Diffraction D) Reflection & Refraction
 
Answer & Explanation Answer: A) Total internal reflection

Explanation:

A periscope is an optical instrument that uses a system of prisms, lenses, or mirrors to reflect images through a tube.

 

 per11526634345.jpg image

 

Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer’s eye.

 

Hence, A periscope works by the principle of Total internal reflection.

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

38 16680
Q:

What is the principal sum?
I. The sum amounts to Rs. 690 in 3 years at S.I.
II. The sum amounts to Rs. 750 in 5 years at S.I.
III. The rate of interest is 5% p.a.

A) I and III only B) II and III only
C) I and II only D) Any two of the three
 
Answer & Explanation Answer: D) Any two of the three

Explanation:

Clearly, any of the three will give us the answer

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO

11 16659