Mathmetics

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

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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 non-adults 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 well-versed with at least one of the two languages - Hindi and English. There are 7 male adults and 8 female non-adults do not know any of the two languages. There are10 male non-adults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female non-adults 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 non-adults 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 well-versed with at least one of the two languages - Hindi and English. There are 7 male adults and 8 female non-adults do not know any of the two languages. There are10 male non-adults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female non-adults 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 non-adults 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 well-versed with at least one of the two languages - Hindi and English. There are 7 male adults and 8 female non-adults do not know any of the two languages. There are10 male non-adults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female non-adults 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 well-versed 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 non-adults 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 well-versed with at least one of the two languages - Hindi and English. There are 7 male adults and 8 female non-adults do not know any of the two languages. There are10 male non-adults and 18 female adults are well versed in both the languages. There are 20 male adults and 17 female non-adults 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 well-versed 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. 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 different between the number of computer of Catogery-B and the number of Refrigerater of Category-A ?
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. 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 approximate average number of products of category-A 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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