Mathmetics

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

Q11.
A company produces four diffrent products, viz. Mobile phones,TV, Refrigerators and Computers. Each of products has two categories, viz. Category-A and Category-B. The total number of all the products is 600. 20% of the total number of products is Computer and one-third of the total number is TV. 40% of the remaning products are Refrigerators. 50% of the number of Computers as well as the number Mobile Phone is of Category-A. 25% of the number of TV is of Category-B. One-fourth of the number of Refrigerators is Category-A.

What is the ratio between the number of Mobile Phones of CategoryA and the number of Computers of category -A ?
1) 5:9 2) 7:3
3) 7:6 4) 7:9
5)None of these
Answer : None of these
Explanation : Give, total products is 600.

                           A                B
Mobile Phone :  84              84
TV                  :  150            50
Refrigerators  :   28             84
Computers      :  60              60
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Q12.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

What is the difference between the number of CDs produced by Company B and the number of computers produced by Company A ?
1) 205 2) 240
3) 300 4) 320
5)None of these
Answer : 300
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Q13.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

What is the difference between the number of CDs produced by Company B and the number of computers produced by Company A ?
1) 205 2) 240
3) 300 4) 320
5)None of these
Answer : 300
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Q14.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

What is the average of the number of Pen drives, CDs and Computers produced by company B ?
1) 240 2) 280
3) 480 4) 840
5)None of these
Answer : 280
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Q15.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

Number of phones produced by Company A is what percentage of the total number of products produced by company B ?
1) 24% 2) 27%
3) 29% 4) 3%
5)None of these
Answer : 27%
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Q16.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

What is the total number of phones produced by both the companies together ?
1) 380 2) 420
3) 430 4) 520
5)None of these
Answer : 430
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Q17.
Directions : Study the information carefully to answer the questions that follow :

There are two companies A and B. Both companies produce all the four different products viz., Computers, Phones, Pen dirves and Compact Discs (CDs). Company A produces a total of 800 products. The respective ratio between the total products produced by Company A and Company B is 4 : 5. 20% of the total products by company B are Pen drives and 40% of them are CDs. Two-fifth of the remaining products produced by company B are Phones. The total number of computers produced by both the companies together is 340. 20% of the total products produced by company A are CDs. Company A produces equal number of Pen drives and Phones.

What is the respective ratio between the number of pen drives produced by Company A and the number of computers produced by company B ?
1) 8 : 9 2) 9 : 7
3) 7 : 9 4) 4 : 9
5)None of these
Answer : 8 : 9
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