Simplification Practice Question and Answer

Q:

यदि 3x + 7y=75, 5x- 5y= 25 तब (x +y) का मान होगा—

1111 1

  • 1
    17
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "16"

Q:

2x + 4y – 8xy -1 =?

881 0

  • 1
    ( 1 + 4y) (2x – 1 )
    Correct
    Wrong
  • 2
    (1 – 4y) (2x – 1 )
    Correct
    Wrong
  • 3
    ( 1 – 4y ) (2x +1)
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "(1 – 4y) (2x – 1 )"

Q: Simplify the following equation
 55.55 + 155 + 15.55 + 0.5 + 0.05 = ?
2385 1

  • 1
    8010
    Correct
    Wrong
  • 2
    8020
    Correct
    Wrong
  • 3
    8030
    Correct
    Wrong
  • 4
    8040
    Correct
    Wrong
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Answer : 1. "8010"
Explanation :

Answer: A) 8010 Explanation: (2000 + 3)(2000 + 4) - (2000 + 1)(2000 + 2) = ? Since (2000 x 2000) - (2000 x 2000) is equal to zero. ?= (8000 + 6000 + 12) - (4000 + 2000 + 2) => 14012 - 6002 = 8010.

Q:

24 + 4 ÷ 4 समीकरण का हल है—

1193 0

  • 1
    28
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 3. "25"

Q:

24 ÷ 4 ×(3 +3) ÷2 का मान है।

926 0

  • 1
    22
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 4. "18"

Q:

जब x = 1, तो |2x – 1| + |x – 3| का मान होगा-

711 0

  • 1
    3
    Correct
    Wrong
  • 2
    -3
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    -2
    Correct
    Wrong
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Answer : 1. "3"

Q:

यदि (x +y) = 6 और x2 + y2 = 20 तो (x - y)2 का मान ज्ञात कीजिये ।

1347 0

  • 1
    6
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 4. "4"

Q:

यदि a2 + a + 1 = 0 हो तो a9 का मान ज्ञात कीजिए-

1021 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 2. "1"

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