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Algebra is an important branch of mathematics, under which symbols are used instead of numbers. Also, this topic is also very important from the point of view of various competitive examinations, because the questions related to it are asked in every government examination. If you too are preparing for any competitive exam, then you can evaluate your exam...

Vikram Singh

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Q:

If x+y+z=22 and xy+yz+zx=35, then what is the value of (x-y)^{2} +(y-z)^{2}+(z-x)^{2}?

- 1793false
- 2681false
- 3758true
- 4715false

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## Answer : 3. "758"

Q:

If $$ {P={96\over95×97}},{Q={97\over96×98}}$$ and $$ {R={1\over97}}$$ then which of the following is True?

1 0 5f2a794dcef453383f1e6818- 1Pfalse
- 2Rtrue
- 3Qfalse
- 4Rfalse

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## Answer : 2. "R"

Q:

If P= 2^{2} + 6^{2} + 10^{2} +14^{2} +……..94^{2} and Q=1^{2} + 5^{2} + 9^{2} +……..81^{2}, then what is the value of P- Q ?

- 124645false
- 231515false
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- 426075true

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## Answer : 4. "26075"

- 18432true
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## Answer : 1. "8432"

- 112false
- 28true
- 36false
- 49false

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