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
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15 4848

Q:

The ability to do work is called Energy.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

Yes, the ability to do work is called Energy is True.

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Subject: Physics
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4 4847

Q:

Who is the author of the book "No Full Stops in India" ?

A) R. K. Narayan	B) Mark Tully
C) C. Narayan Reddy	D) Ved Mehta

Answer & Explanation Answer: B) Mark Tully

Explanation:

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Filed Under: Books and Authors
Exam Prep: AIEEE , Bank Exams , CAT
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11 4844

Q:

$[(24)^{2} + (27)^{2}] \div ? = 9.0625$

A) 121	B) 144
C) 169	D) 81

Answer & Explanation Answer: B) 144

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

4 4842

Q:

Which of the following cities is not one of the capitals of South Africa ?

A) Cape town	B) Pretoria
C) Johannesburg	D) Bloemfontein

Answer & Explanation Answer: C) Johannesburg

Explanation:

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Filed Under: World Geography

16 4841

Q:

The Oceanic current named as 'Kuroshio, Kurile and Alaskan' are located in ____

A) North Indian Ocean	B) South Indian Ocean
C) North Atlantic Ocean	D) South Atlantic Ocean

Answer & Explanation Answer: C) North Atlantic Ocean

Explanation:

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Filed Under: World Geography

3 4840

Q:

Telangana region represents one of the following types of vegetation?

A) Tropical deciduous	B) Thorn
C) Tropical ever green	D) Sub - tropical decidual

Answer & Explanation Answer: B) Thorn

Explanation:

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Filed Under: Indian Geography

5 4840

Q:

Bharat Nirman Programme does not cover which of the following areas

A) Rural housing	B) Rural water supply
C) Irrigation facilities	D) Rural Employment

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