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Find (x +y) + (x-y) , where x = (3)/(4) ...

Find `(x +y) + (x-y) ,` where `x = (3)/(4) and y = ((-7)/(4)).`

A

`(-2)/(5)`

B

`(2)/(5)`

C

`(-3)/(5)`

D

`(-3)/(4)`

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The correct Answer is:
A
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MTG IIT JEE FOUNDATION-RATIONAL NUMBERS -EXERCISE (MULTIPLE CHOICE QUESTIONS) (LEVEL-1)
  1. What should be subtracted from (-7)/(8) to get (5)/(12) ?

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  2. What should be added to ((3)/(4) + (2)/(5)) to get (-8)/(15) ?

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  3. A car is moving at an average speed of 3 (1)/(9) km/h. How much dist...

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  4. The product of two numbers is (16)/(3). If one of the numbers is (26)/...

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  5. The product of two rational number is (- 750)/(183). If one of the num...

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  6. Which of the following pairs represent equivalent rational numbers ?

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  7. Thre efriends Neena, Asha and Mahak divided a packet of rice 87 (1)/(2...

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  8. Find the sum of (-3)/(4) and (3)/(4) and represent it on number line.

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  9. Find 3 rational numbers between -3 and -4.

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  10. Two packets of sweets weight 2 (7)/(8) kg and 3 (1)/(4) kg respective...

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  11. The sum of three rational numbers is (-6)/(5). If two of the numbers a...

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  12. Find the rational number, which is (-4)/(9) more than (6)/(7).

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  13. The quotient of two numbers is (-5)/(7). If the divident is (-4)/(5) a...

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  14. Which of the following numbers occur to the left of 7/5 on the number ...

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  15. Which of the following are incorrect ?

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  16. Divide the sum of (- (2)/(5)) and (9)/((-10)) by the sum of (3)/(7) a...

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  17. Find the product of 2 (1)/(5) with the sum of (6)/(7) and 1 (1)/(7).

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  18. Find (x +y) + (x-y) , where x = (3)/(4) and y = ((-7)/(4)).

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  19. What is the additive inverse of (-5)/(9) + (1)/(3) ?

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  20. Additive inverse of - (18)/(5) xx (16)/(7) is

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