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Q:

A certain job was assigned to a group of women to do it in 20 days. But 12 women did not turn up for the job and the remaining did the job in 32 days. The original number of women in the group was?

A) 36 B) 32
C) 22 D) 28
 
Answer & Explanation Answer: B) 32

Explanation:

Let the total women in the group be 'W'

Then according to the given data,

 W x 20 = (W-12) x 32

 => W = 32 

Therefore, the total number of women in the group = 32

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Filed Under: Time and Work
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Q:

Atoms Are Composed Of

A) Electrons and Protons B) Protons and Nuclei
C) Only Electrons D) Electrons and Nuclei
 
Answer & Explanation Answer: D) Electrons and Nuclei

Explanation:

Atoms are composed of Electrons, protons and Neutrons. Protons and Neutrons together called as Nuclei.

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Filed Under: Chemistry
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Q:

Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age?

A) 20 B) 41
C) 26 D) 33
 
Answer & Explanation Answer: B) 41

Explanation:

Given P = 54 and M = 80

According to the question,

Let ‘A’ years ago, M = 3P

=> M - A/P - A = 3

=> 80 - A = 3(54 - A)

=> 80 - A = 162 - 3A

=> 2A = 82

=> A = 41

Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age.

Hence, at the age S = 13 and M = 39.

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Filed Under: Problems on Ages
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Q:

19 friends went to a restaurant for a combined weekend dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total money spent by them?   

A) Rs. 1398.96 B) Rs. 1457.09
C) Rs. 1662.35 D) Rs. 1536.07
 
Answer & Explanation Answer: D) Rs. 1536.07

Explanation:

Let average expenditure was Rs. R

13 x 79 + 6x(R + 4) = 19R

=> R = Rs. 80.84

Total money = 19 x 80.84 = Rs. 1536.07.

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Filed Under: Average
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Q:

Find the Next Number in the given number series?

3, 10.5, 36.75, 128.625, ?

A) 450.187 B) 442.151
C) 441.231 D) 456.852
 
Answer & Explanation Answer: A) 450.187

Explanation:

Pattern is

      • 3
      • 3 x 3.5 = 10.5
      • 10.5 x 3.5 = 36.75
      • 36.75 x 3.5 = 128.625
      • 128.625 x 3.5 = 450.187
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Filed Under: Odd Man Out
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Q:

A salesman calculated his profit on the marked price and finds it to be 30%. He forgets the fact that he gave a discount of 20%. What is his actual profit percentage?   

A) 260/11% B) 18.4%
C) 22.5% D) 100/7%
 
Answer & Explanation Answer: D) 100/7%

Explanation:

When profit is calculated on Marked Price (M.P) then,

      • C.P = M.P - P%

Let M.P = 100

 => C.P = 100 - 30 = 70

 But S.P = Rs. 80 as he gave 20% discount,

 Now, Actual Profit = 80-7070x100

  = 100/7 %

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Filed Under: Profit and Loss
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Q:

The percentage of irrigated land in India is about

A) 66% B) 35%
C) 71% D) 22%
 
Answer & Explanation Answer: B) 35%

Explanation:

According to World Bank Indicator India - Land use:

      • Agriculture Land - 1797090 sq. Km (about 60.4%). 
      • Forest Area - 677598 sq. Km. (about 22.08%). 
      • Agriculture Irrigated land - 35 %.



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Filed Under: Indian Geography
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Q:

When was Barb Wire patented

A) 1898 B) 1868
C) 1874 D) 1866
 
Answer & Explanation Answer: C) 1874

Explanation:

Joseph F. Glidden - Father of Barbed Wire.

      • Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.
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Filed Under: Inventions
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