Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q41.
What  should be the remainder when 2 100 is divided by 101 ?
1) 1 2) 11
3) 99 4) 100
5)None of these
Answer : 99
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Q42.
In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed by 117 marks. What is the minimum passing marks for girls ?
1) 425 2) 480
3) 520 4) 625
5)None of these
Answer : None of these
Explanation : Let, the full mark be 100%.
A boy should requires marks to pass =  483 +117 = 600 
So, the full mark = 600  i.e. 100%
So, the required mark for a girl should = (600/40) x 35 = 525
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Q43.
Directions : Study the following graph carefully and answer the question below it.

Percent Profit  earned by two companies A and B over the given years.


Ratio of expenditures of companies A and B in 2010 was 7 : 8 respectively. What was the ratio of their incomes in 2010 ? 
1) 118 : 163 2) 128 : 119
3) 121 : 147 4) 163 : 118
5)None of these
Answer : None of these
Explanation :
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Q44.
Directions : Study the following graph carefully and answer the question below it.

Percent Profit  earned by two companies A and B over the given years.




Total expenditure of company A in all the years together was Rs. 76.5 lakhs. What was the total income of the company in all the years together ?
1) Rs. 98.5 lakhs 2) Rs. 89.3 lakhs
3) Rs. 92.6 lakhs 4) Can’t be determined
5)None of these
Answer : Can’t be determined
Explanation :
As the percentage profits are different for different years, we can not find the total income

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Q45.
Directions : Study the following graph carefully and answer the question below it.

Percent Profit  earned by two companies A and B over the given years.



Expenditures of company B in 2007 and 2008 are Rs. 25 lakhs and Rs. 30 lakhs respectively. What was the total income of company B in 2007 and 2008 together ?

1) Rs. 74.8 Lakhs 2) Rs. 85.5 Lakhs
3) Rs. 68.4 Lakhs 4) Rs. 78.5 Lakhs
5)None of these
Answer : Rs. 85.5 Lakhs
Explanation :
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Q46.
Directions : Study the following graph carefully and answer the question below it.

Percent Profit  earned by two companies A and B over the given years.


If the income of company B in 2008 and 2009 were in the ratio 3 : 5 respectively, what was the ratio of the expenditure of that company in these two years ?
1) 4 : 15 2) 7 : 12
3) 9: 16 4) Cannot determined
5)None of these
Answer : 9: 16
Explanation :
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Q47.
Directions : Study the following graph carefully and answer the question below it.

Percent Profit  earned by two companies A and B over the given years.


If the expenditure of company A and B in 2011 were equal and the total income of the two companies was Rs. 48.8 lakhs, what was the total expenditure of the two companies in 2011 ?
1) Rs.32 lakhs 2) Rs.46 lakhs
3) Rs.16 lakhs 4) Cannot determined
5)None of these
Answer : Rs.32 lakhs
Explanation :
Total expenditure of A and B in 2011 = 2 x 16 = 32 lakhs
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Q48.
Seven men and four boys can complete a work in 6 days. A man completes the double work than a boy. In how many days will 5 men and 4 boys complete the work ?
1) 4 2) 5
3) 6 4) 8
5)None of these
Answer : None of these
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Q49.
Directions : Study the graphs carefully to answer the questions that follow: 

Total number of children in six different schools and the percentage of girls are give bellow in the line-chart.


The numbers of boys in school Q is how much percentage (approx.) more or less than the numbers of girls in  the school  S  ?
1) 140 2) 142
3) 144 4) 148
5)None of these
Answer : 142
Explanation : The numbers of boys in school Q = (3000 x 55/100)  = 1650 
The numbers of girls in  the school  S  = (2250 x 30/100) = 675 
So, different = 1650 - 675 = 975 
Therefore , required more % = (975/675) x 100 = 144 % (approx.)
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Q50.
Directions : Study the graphs carefully to answer the questions that follow: 

Total number of children in six different schools and the percentage of girls are give bellow in the line-chart.



What is number of boys in school P and Q are more than girls in school of S and T ?
1) 1475 more 2) 1655 less
3) 1875 more 4) 1975 more
5)None of these
Answer : 1975 more
Explanation : Total number of boys in school P and Q = [ (2500 x 60/100) + (3000 x 55/100) ] =1500 + 1650 = 3150.
Total number of girls in school S and T = [ (2250 x 30/100) +  (1250 x 40/100) ] = 675 + 500 = 1175

So, the different = 3150 -1175 = 1975


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