Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 481-490 of 604 questions.
What is obtained after simplifying \(2a^2-3ab+4b^2+a^2+5ab-b^2\)?
A. \(3a^2+2ab+3b^2\)
\(a^2\), (ab) और \(b^2\) वाले पद अलग-अलग मिलाएँ। सरल रूप \(3a^2+2ab+3b^2\) है। / Combine \(a^2\), (ab), and \(b^2\) terms separately. The simplified form is \(3a^2+2ab+3b^2\).
Login to save your score, XP, coins and progress.
What is the coefficient of \(x^2\) in \(6x^3-4x^2+x-9\)?
B. (-4)
\(x^2\) वाला पद \(-4x^2\) है। इसलिए गुणांक (-4) है। / The term containing \(x^2\) is \(-4x^2\). Therefore, the coefficient is (-4).
Login to save your score, XP, coins and progress.
In which expression is the total power of (x) and (y) equal to (5)?
A. \(x^2y^3\)
\(x^2y^3\) में कुल घात (2+3=5) है। बहु-चर पद में घातें जोड़कर कुल घात मिलती है। / In \(x^2y^3\), the total power is (2+3=5). In a multivariable term, add the powers to get the total power.
Login to save your score, XP, coins and progress.
If (x-y=6) and (x+y=10), what is the value of (2x)?
A. (16)
दोनों समीकरणों को जोड़ने पर (2x=16) मिलता है। ऐसे प्रश्नों में दिए गए पूरे व्यंजकों को जोड़कर देखें। / Adding the two equations gives (2x=16). In such questions, try adding the given expressions.
Login to save your score, XP, coins and progress.
What is obtained after simplifying (4(2x-y)-3(x+2y)+5y)?
A. (5x-5y)
खोलने पर (8x-4y-3x-6y+5y) मिलता है। समान पद मिलाकर (5x-5y) बनेगा। / Expanding gives (8x-4y-3x-6y+5y). Combining like terms gives (5x-5y).
Login to save your score, XP, coins and progress.
In \(x^2+px+12\), if the coefficient of (x) is (-7), what is (p)?
B. (-7)
(px) में (x) का गुणांक (p) है। इसलिए (p=-7) होगा। / In (px), the coefficient of (x) is (p). Therefore, (p=-7).
Login to save your score, XP, coins and progress.
Which expression is obtained by adding \(x^2+x-4\) to \(2x^2-3x+1\)?
A. \(3x^2-2x-3\)
समान पद जोड़ें: \(2x^2+x^2=3x^2\), (-3x+x=-2x), (1-4=-3)। / Add like terms: \(2x^2+x^2=3x^2\), (-3x+x=-2x), and (1-4=-3).
Login to save your score, XP, coins and progress.
If (a=2), (b=-1), what is the value of \(a^3+3a^2b+2b^3\)?
A. (-6)
मान रखने पर (8+3(4)(-1)+2(-1)=-6) मिलता है। घात और चिन्ह दोनों ध्यान से लें। / Substitution gives (8+3(4)(-1)+2(-1)=-6). Handle powers and signs carefully.
Login to save your score, XP, coins and progress.
What is obtained after simplifying (5x-(2x-(3x-4)))?
A. (6x-4)
अंदर से (2x-(3x-4)=-x+4) है। इसलिए (5x-(-x+4)=6x-4)। / Inside, (2x-(3x-4)=-x+4). Hence (5x-(-x+4)=6x-4).
Login to save your score, XP, coins and progress.
Which term is a like term of \(6x^2yz\)?
A. \(9x^2yz\)
समान पद में चर भाग \(x^2yz\) ही रहना चाहिए। \(9x^2yz\) का चर भाग समान है। / A like term must keep the variable part \(x^2yz\). \(9x^2yz\) has the same variable part.
Login to save your score, XP, coins and progress.
Use Google login or mobile OTP. Admin can block users and control login providers.