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Q:

Who is the father of Green Revolution in India?

A) Jayanth C Narlikar B) Amartyasen
C) RK Pachowry D) M.S. Swaminathan
 
Answer & Explanation Answer: D) M.S. Swaminathan

Explanation:
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Filed Under: Indian History

Q:

Which containers use a FlowLayout as their default layout ?

Answer

The Panel and Applet classes use the FlowLayout as their default layout.

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Subject: Java

Q:

Which containers use a border Layout as their default layout ?

Answer

The window, Frame and Dialog classes use a border layout as their default layout.

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Subject: Java

Q:

Which number multiplied by itself will give the output as 12345678987654321 ?

Answer

11 * 11 = 121


111 * 111 = 12321


what we observe is that the square of the number follows a pattern: 2 1's gives 121. 3 1's gives 12321.


so to get 12345678987654321 we need to get square of 9 1's(111,111,111).

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Subject: Math Puzzles

Q:

What 5 - digit number has the following features :

If we put the numeral 1 at the beginning, we get a number three times smaller than if we put the numeral 1 at the end of the number?

Answer

Let the 5 digit number be represented by abcde.


Then the 6 digit number, 1abcde x 3 = abcde1 (another 6 digit number)


Now let Y = abcde


Then (100000 + Y) x 3 = (Y x 10) + 1


300000 + 3Y = 10Y + 1


7Y = 299999


Y = 299999 ÷ 7 = 42857

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Subject: Math Puzzles

Q:

Arrange four nines(9) and a one(1) and only one mathematical symbol to make it equal to 100 ?

Answer

199 - 99  = 100

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Subject: Math Puzzles

Q:

In a Certain Country 1/2 of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10 ?

A) 4 B) 6
C) 8 D) 10
 
Answer & Explanation Answer: A) 4

Explanation:

Let 1310 = x 

=> 3x = 10

 

Given that 125=3

 

Therefore, 52x = 10 

 

=> x = 10/3 = 4.

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Filed Under: Math Puzzles
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank Clerk

Q:

A women goes to market with Rs.500 to buy oranges.the prices of the oranges have decreased by 10% so he could buy 2kg more with the amount she had.What was the original price of the oranges ?

A) 22.77 B) 25.77
C) 27.77 D) 29.77
 
Answer & Explanation Answer: C) 27.77

Explanation:

If the price of the oranges decreases by 10%, the woman would save 10% of the money that is Rs.50 to buy the same amount as before.Now in Rs. 50 she can buy 2 kg more, therefore the current price of 1 kg of oranges is Rs25.Now, this current price is after 10% reduction.

 

 

 

Therefore, the original price =  25/0.9  = Rs. 27.77

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Filed Under: Profit and Loss
Exam Prep: CAT , Bank Exams
Job Role: Bank Clerk