Algebra Practice Question and Answer
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Q: यदि (a-b)=-3 , (b-c)=5 and (c-a)=-2 है तो $$ {a^{3}+b^{3}+c^{3}-3abc\over a+b+c}$$ का मान है।
878 05f4df09a5e74bc4ee553ba40
5f4df09a5e74bc4ee553ba40- 118false
- 217true
- 310.5false
- 420.5false
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Answer : 2. "17"
Q: यदि $$ {x=a^{2\over3}-a^{-2\over3}}$$ है तो $$ {x^{3}+3x}$$ का मान है।
787 05f4defe0081699374e8541f9
5f4defe0081699374e8541f9- 1$$ {a^2-{1\over{a^{2}}}}$$true
- 2$$ {a^2+{1\over{a^{2}}}}$$false
- 3$$ {a+{1\over a}}$$false
- 4$$ {a-{1\over a}}$$false
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Answer : 1. "$$ {a^2-{1\over{a^{2}}}}$$"
Q: यदि $$ x=\sqrt{\sqrt{5}+1\over {\sqrt{5}-1}}$$ है तो $$ {5x^2-5x-1}$$ का मान है।
744 05f4def947e85226ee745bec7
5f4def947e85226ee745bec7- 10false
- 23false
- 34true
- 45false
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Answer : 3. "4"
Q: यदि $$ {x+{1\over x}}=2$$ है तो $${2x^2+2}\over{3x^2+5x+3}$$ का मान होगा?
726 05f3f90d59ab97f7febf662ee
5f3f90d59ab97f7febf662ee- 1$${4\over 11}$$true
- 2$${5\over 11}$$false
- 3$${7\over 5}$$false
- 4$${4\over 9}$$false
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Answer : 1. "$${4\over 11}$$"
Q: यदि $$ {{x+1}\over4x}={5\over 2}$$, तो $$ 64x^6+1\over 8x^3 $$ का मान क्या होगा ?
1118 05ddcdd14e1ce690ab506aa1e
5ddcdd14e1ce690ab506aa1e- 1110false
- 2115true
- 3125false
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Answer : 2. "115"
Q: यदि x - y = 3 हो तो x3 - y3-9xy का मान क्या होगा ?
1292 05f2e4db2b6a1cb7a831c136b
5f2e4db2b6a1cb7a831c136b- 118false
- 227true
- 33false
- 49false
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Answer : 2. "27 "
Q: यदि bc+ab+ca=abc है तो $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ का मान होगा
952 05f2d2c7f79b9e641a76158c2
5f2d2c7f79b9e641a76158c2- 12false
- 21true
- 30false
- 4$$ {-1\over {2}}$$false
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Answer : 2. "1"
Q: यदि $$ {3x+}{2\over {\sqrt{x}}}=1$$ है तो$$ {x-{\sqrt{x}}}=?$$
1028 05f2d2bc6b57ade01ca000684
5f2d2bc6b57ade01ca000684- 1$$ {-2\over {\sqrt{3}}}$$true
- 2$$ {-3\over {\sqrt{3}}}$$false
- 3$$ {2\over {\sqrt{3}}}$$false
- 4$$ {-1\over {\sqrt{3}}}$$false
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Answer : 1. "$$ {-2\over {\sqrt{3}}}$$"
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