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Q:

An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle ?

A) 11 days B) 15 days
C) 13 days D) 16 days
 
Answer & Explanation Answer: A) 11 days

Explanation:

Let 'n' number of days it take to complete.

 

we know that sum of n number= n/2[2a+(n-1)d]
where a=20,d=1;
n/2[2x20+(n-1)1]=275
n[n+39]=550
n2 + 39n - 550 = 0
 n2+ 50n - 11n - 550 = 0
(n-11) (n-50) = 0
n-11 = 0;
n = 11(Days).

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Filed Under: Arithmetical Reasoning
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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2 4136
Q:

Which of the following properties is found only in ferromagnetic materials ?

A) Susceptibility independent of temperature B) Point in a particular direction
C) Hysteresis D) Attracting a magnetic substance
 
Answer & Explanation Answer: C) Hysteresis

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

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Q:

Which Word Does Not Belong with the Others

A) VDU B) Speakers
C) Plotter D) Joystick
 
Answer & Explanation Answer: D) Joystick

Explanation:

Here Joystick is the word doesn't belong with the others.

Because Except Joystick all others are Output Devices whereas Joystick is Input Device.

VDU - Visual Display Unit - Monitor to display

Speakers - Output sound

Plotter - used to produce single or multiple colored images.

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Filed Under: Classification
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
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50 4136
Q:

Which of the following interchanges in signs will make the given equation correct?
17- 15 x 5 = 250

A) = and x B) + and -
C) = and - D) x and -
 
Answer & Explanation Answer: D) x and -

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 4136
Q:

In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal ?

A) 40 B) 30
C) 50 D) 25
 
Answer & Explanation Answer: B) 30

Explanation:

Here given 120 men = 200 children

therefore 1 child = 3/5 of Man------ step I

Now given that the food was consumed by 150 children

From step I we get 150 children =90 Men ( 1 child = 3/5 Man ie , 150 X 3/5 = 90)
So the food is for (120-90) men = 30 Men

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams , CAT , GATE
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Q:

What do you call a bear without an ear?

Answer

Given BEAR, if you remove EAR only remains with 'B'.


 


Hence, we call it as 'B', a bear without an ear.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

11 4134
Q:

Townbank offers a term deposit account paying investors 12.5% p.a. simple interest on investments over $100 000 for 2 years or more. Peta decides to invest $150 000 in this account for 2 years. How much interest will Peta earn at the end of the investment?

A) 57500 B) 47500
C) 37500 D) 67500
 
Answer & Explanation Answer: C) 37500

Explanation:

I = (p x t x r)/100

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

0 4133
Q:

Who was sworn in as the 44th Chief Justice of India (CJI) recently ?

A) Justice Tirath Singh Thakur B) Justice Atul Mehta
C) Justice Jagdish Singh Khehar D) Justice T M Goyal
 
Answer & Explanation Answer: C) Justice Jagdish Singh Khehar

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

6 4133