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ajay and his wife kajal , the proba...

ajay and his wife kajal , the probability of ajay 's section is `1/7` and theat of his wife kajal 's section is `1/5` . What is the probability that
atleast one of them will be selected ?

A

`12/35`

B

`6/35`

C

`24/35`

D

none of these

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The correct Answer is:
C
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ARIHANT SSC-PROBABILITY-INTRODUCTORY EXERCISE -(20.4)
  1. The probabilites that a student will receive an A,B ,C or D grade...

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  2. A's salary is 20% less than B's salary. Then B's salary is more than A...

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  3. The price of an article of rs100 is icreased by 20% the again its pric...

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  4. If 50% of (x-y) = 30% of (x+y), then what percent of x is y?

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  5. ajay and his wife kajal , the probability of ajay 's section is...

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  6. ajay and his wife kajal , the probability of ajay 's section is...

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  7. ajay and his wife kajal , the probability of ajay 's section is...

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  8. A speaks truth in 60% and Bin 80% of the cases. In what percentage of ...

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  9. One fifth of a number is 62. What will 73% of that number be?

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  10. Two third of three fourths of one fifth of a number is 15. What is 30%...

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  11. Three critics review a book odds in favour of the book are 5 :...

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  12. 3/4th of 2/3rd of 1/5th of a number is 249.6. What is 50% of that numb...

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  13. Ishan spent rs. 35645 on buying a bike, rs. 24355 on television and t...

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  14. Sonal spent rs. 45760 on the interior decoration for her home, rs. 278...

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  15. Rajesh spent rs. 44620 on diwali shopping, rs. 32764 on buying compute...

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  16. Harjeet spends 50% of his monthly income on household items, 20% of hi...

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  17. A man buys an article for rs. 27.50 and sells it for rs. 28.60. Find t...

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  18. If a radio is purchased for rs. 490 and sold for rs. 465.50. Find the ...

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  19. A man is known to speak the truth 3 out of 4 times. He throws a dice ...

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  20. Find SP when CP = Rs. 56.25 and Gain = 20%.

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