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In a city 20 percent of the population t...

In a city 20 percent of the population travels by car, 50 percent travels by bus and 10 percent travels by both car and bus. Then persons travelling by car or bus is

A

80 percent

B

40 percent

C

60 percent

D

70 percent

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-SETS ( APPENDIX - 1)-EXERCISE
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  2. A = {(x,y) : y = 1//x,0 ne x in R} , B = {(x, y) : y = - x, x in R} th...

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  3. A = {x : cos x gt - 1//2, 0 le x le pi}, B = {x : sin x gt 1//2,pi//3 ...

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  4. If aN = {ax : x in N} " then " 3N cap 7N =

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  5. If aN = {ax : x in N} " and " bN cap cN = dN " where " b,c in N are ...

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  6. Which of the following is an empty set

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  7. The smallest A such that A cup {1,2} = {1,2,3,5,9} is

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  8. In a college of 300 students, every student reads 5 newspapers and eve...

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  9. Consider the set A of all determinants of order 3 with entries 0 or 1 ...

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  10. Suppose A(1),A(2),…,A(30) are 30 sets each with 5 elements and B(1),B(...

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  11. If A = { Ø, {Ø}} then the power set of A is

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  12. Two finite sets have m and n elements. The total number of subsets of ...

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  13. If A and B have 3 and 6 elements then the minimum number of elements i...

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  14. In a class of 55 students, the number of students studying different s...

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  15. In a class of 100 students, 55 students have passed in Mathematics and...

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  16. Out of 800 boys in a school , 224 played cricket, 240 played hookey a...

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  17. The set of intelligent students in a class is

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  18. In a certain town 25% families own a phone and 15% own a car, 65% fami...

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  19. In a city 20 percent of the population travels by car, 50 percent trav...

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  20. In a battle 70% of the combatants lost one eye, 80% an ear, 75% an ar...

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