Mathmetics
ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams
Q1.  Directions : Study the information carefully to answer the questions that follow.
On the occasion of a opening ceremony of a sports event, in a stadium there are 600 palyers in all who are participating in four different events, viz, Athletics, Table Tennis, KhoKho and Lawn Tennis. The ratio of male to female players is 11 : 4. 30% of the female players are participating in Athletics. 10% of the female players are participating in Table Tennis. The remaining female players are participating in KhoKho and Lawn Tennis in the ratio of 1 : 3. The ratio of male players who are participating in Athletics and other events together is 3 : 5. 4% of those male players who are not participating in Athletics are participating in Lawn Tennis. Remaining male players are participating in Table Tennis and KhoKho in the ratio of 5:3.
What is the total number of female players who are participating in Athletics and KhoKho together ? 
1)  64 
2)  68 
3)  72 
4)  84 
5)  None of these 
Answer : 72
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Q2.  Directions : Study the information carefully to answer the questions that follow.
On the occasion of a opening ceremony of a sports event, in a stadium there are 600 palyers in all who are participating in four different events, viz, Athletics, Table Tennis, KhoKho and Lawn Tennis. The ratio of male to female players is 11 : 4. 30% of the female players are participating in Athletics. 10% of the female players are participating in Table Tennis. The remaining female players are participating in KhoKho and Lawn Tennis in the ratio of 1 : 3. The ratio of male players who are participating in Athletics and other events together is 3 : 5. 4% of those male players who are not participating in Athletics are participating in Lawn Tennis. Remaining male players are participating in Table Tennis and KhoKho in the ratio of 5:3.
What is the difference between the male players participating in KhoKho and the female players participating in Lawn Tennis ?

1)  23 
2)  27 
3)  33 
4)  38 
5)  None of these 
Answer : 27
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Q3.  Directions : Study the information carefully to answer the questions that follow.
On the occasion of a opening ceremony of a sports event, in a stadium there are 600 palyers in all who are participating in four different events, viz, Athletics, Table Tennis, KhoKho and Lawn Tennis. The ratio of male to female players is 11 : 4. 30% of the female players are participating in Athletics.10% of the female players are participating in Table Tennis. The remaining female players are participating in KhoKho and Lawn Tennis in the ratio of 1 : 3. The ratio of male players who are participating in Athletics and other events together is 3 : 5. 4% of those male players who are not participating in Athletics are participating in Lawn Tennis. Remaining male players are participating in Table Tennis and KhoKho in the ratio of 5:3.
What is the ratio of the female players participating in Lawn Tennis to those participating in Table Tennis ? 
1)  7 : 2 
2)  9 : 2 
3)  11 : 3 
4)  13 : 4 
5)  None of these 
Answer : 9 : 2
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Q4.  Directions : Study the information carefully to answer the questions that follow.
On the occasion of a opening ceremony of a sports event, in a stadium there are 600 palyers in all who are participating in four different events, viz, Athletics, Table Tennis, KhoKho and Lawn Tennis. The ratio of male to female players is 11 : 4. 30% of the female players are participating in Athletics. 10% of the female players are participating in Table Tennis. The remaining female players are participating in KhoKho and Lawn Tennis in the ratio of 1 : 3. The ratio of male players who are participating in Athletics and other events together is 3 : 5. 4% of those male players who are not participating in Athletics are participating in Lawn Tennis. Remaining male players are participating in Table Tennis and KhoKho in the ratio of 5:3.
What is the ratio of male players participating in Lawn Tennis to the female players participating in Table Tennis ?

1)  9 : 16 
2)  11 : 14 
3)  11 : 16 
4)  D.I 
5)  None of these 
Answer : 11 : 16
Explanation : Answer : 11 : 16
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Q5.  Directions: In a survey of a locality,the number of male adults and female nonadults in 30 each. The number of female adults and male non adults in 20 each. Every female adult is well versed in at least one of the two languages  Hindi and English. Every male non adu1t is wellversed with at least one of the two languages  Hindi and English. There are 7 male adults and 8 female nonadults do not know any of the two languages. There are10 male nonadults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female nonadults are well versed in only one of the two languages.
Based on the information given above answer the next four items:
What is the number of persons who can talk to each other both the languages ?

1)  25 
2)  36 
3)  42 
4)  Can't be determined 
5)  None of these 
Answer : 36
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Q6.  Directions: In a survey of a locality,the number of male adults and female nonadults in 30 each. The number of female adults and male non adults in 20 each. Every female adult is well versed in at least one of the two languages  Hindi and English. Every male non adu1t is wellversed with at least one of the two languages  Hindi and English. There are 7 male adults and 8 female nonadults do not know any of the two languages. There are10 male nonadults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female nonadults are well versed in only one of the two languages.
Based on the information given above answer the next four items:
What is the number of non adults who are well versed in at least one of the two languages ? 
1)  24 
2)  28 
3)  42 
4)  Can't be determined 
5)  None of these 
Answer : 42
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Q7.  Directions: In a survey of a locality,the number of male adults and female nonadults in 30 each. The number of female adults and male non adults in 20 each. Every female adult is well versed in at least one of the two languages  Hindi and English. Every male non adult is wellversed with at least one of the two languages  Hindi and English. There are 7 male adults and 8 female nonadults do not know any of the two languages. There are10 male nonadults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female nonadults are well versed in only one of the two languages.
Based on the information given above answer the next four items:
What is the number of males who are wellversed in Hindi only ? 
1)  10 
2)  20 
3)  32 
4)  Can't be determined 
5)  None of these 
Answer : Can't be determined
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Q8.  Directions: In a survey of a locality,the number of male adults and female nonadults in 30 each. The number of female adults and male non adults in 20 each. Every female adult is well versed in at least one of the two languages  Hindi and English. Every male non adu1t is wellversed with at least one of the two languages  Hindi and English. There are 7 male adults and 8 female nonadults do not know any of the two languages. There are10 male nonadults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female nonadults are well versed in only one of the two languages.
Based on the information given above answer the next four items:
What is the number of females who are wellversed in both the languages ? 
1)  20 
2)  22 
3)  23 
4)  Can't be determined 
5)  None of these 
Answer : 23
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Q9.  A company produces four different products, viz. Mobile phones,TV, Refrigerators and Computers. Each of products has two categories, viz. CategoryA and CategoryB. The total number of all the products is 600. 20% of the total number of products is Computer and onethird 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 CategoryA. 25% of the number of TV is of CategoryB. Onefourth of the number of Refrigerators is CategoryA.
What is the different between the number of computer of CatogeryB and the number of Refrigerater of CategoryA ? 
1)  18 
2)  24 
3)  32 
4)  36 
5)  None of these 
Answer : 32
Explanation : Comuter A = 60; Refrigerator A = 28
So, different = 60 28 = 32
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Q10.  A company produces four diffrent products, viz. Mobile phones,TV, Refrigerators and Computers. Each of products has two categories, viz. CategoryA and CategoryB. The total number of all the products is 600. 20% of the total number of products is Computer and onethird 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 CategoryA. 25% of the number of TV is of CategoryB. Onefourth of the number of Refrigerators is CategoryA.
What is the approximate average number of products of categoryA together ? 
1)  78 
2)  81 
3)  83 
4)  86 
5)  None of these 
Answer : 81
Explanation : (84 + 150 + 28 + 60) /4 = 322/4 = 80.5 i.e 81
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