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Q:

Can you Solve the Problem ?

SOLVE1500443612.jpg image

Answer

Let the two digits be x & y


From given data in the question, we get


x + y = 3(x - y)


x + y = 3x - 3y


=> 2x = 4y


x/y = 2/1


For having the 2:1, numbers satisfying are


12, 21, 24, 42, 36, 63, 48, 84


From this 36 is eleminated because it is a perfect square and no others are prime or perfect squares.


Hence, there exists 7 such 2-digit numbers => 12, 21, 24, 42, 63, 48, 84.

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Subject: Math Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

15 4723
Q:

In which one among the following districts is the highest point of Eastern Ghats located?

A) Ganjam B) Visakhapatnam
C) Kurnool D) North Arcot
 
Answer & Explanation Answer: B) Visakhapatnam

Explanation:
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Filed Under: Indian Geography

10 4719
Q:

Which Company is the biggest player in the microprocessor industry  ?

A) AMD B) IBM
C) Motorola D) Intel
 
Answer & Explanation Answer: D) Intel

Explanation:
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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

19 4719
Q:

New Economic Policy was introduced in india in 

A) 1971 B) 1981
C) 1991 D) 2001
 
Answer & Explanation Answer: C) 1991

Explanation:
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Filed Under: General Awareness

8 4717
Q:

Which one of the following is NOT a characteristic of the population of a developed country

A) Low birth rate and low death rate B) High birth and high death rate
C) high proportion of urban population D) low growth rate of population
 
Answer & Explanation Answer: B) High birth and high death rate

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Filed Under: Indian Economy

3 4716
Q:

The Buddhist  Doctrines were written in 

A) Sanskrit B) Pali
C) Tibetan D) Not written in any language but orally transnitted
 
Answer & Explanation Answer: B) Pali

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Filed Under: Indian History

3 4714
Q:

The branch of agriculture science which deals with principles and practices of soil, water and crop management is called ______ ?

A) Agronomy B) Crop Farming
C) Horticulture D) Home Science
 
Answer & Explanation Answer: A) Agronomy

Explanation:

Agronomy deals with the methods which provide favourable environment to crop for higher productivity.

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Filed Under: General Awareness
Job Role: Bank Clerk

9 4713
Q:

About who was it said " Age cannot wither her nor custom stale her infinite variety " ?

A) Cleopatra B) Benazir Butto
C) Mother Teresa D) Madame Tussaud
 
Answer & Explanation Answer: A) Cleopatra

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

2 4712