Odisha Board - Class 8

Middle Math question bank (Mathematics (ଗଣିତ - NMMS & PMST Foundation))

Practice 339 free Odisha Board - Class 8 Mathematics (ଗଣିତ - NMMS & PMST Foundation) - Middle Math questions with answers and step-by-step solutions.

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Q1.

ପରିମିତି (Mensuration - PMST Level): 'ପରିମେୟ ସଂଖ୍ୟା (Rational Numbers)' ର ଟ୍ରାପିଜିୟମ୍ କିମ୍ବା ସିଲିଣ୍ଡରର କ୍ଷେତ୍ରଫଳ କ’ଣ ହେବ?

(A)

ଟ୍ରାପିଜିୟମ୍ କ୍ଷେତ୍ରଫଳ $= \frac{1}{2} (a + b) \times h$ କିମ୍ବା ବକ୍ରତଳ $= 2\pi r h$ (ପରିମେୟ ସଂଖ୍ୟା (Rational Numbers))

(B)

$a \times b$

(C)

ଭୂମି $\times$ ଉଚ୍ଚତା

(D)

ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ

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Q2.

ବୀଜଗାଣିତିକ ଅଭେଦ (Algebraic Identities): 'ପରିମେୟ ସଂଖ୍ୟା (Rational Numbers)' ଅନୁସାରେ $(a + b)^2$ ର ବିସ୍ତାର କ’ଣ?

(A)

$a^2 + 2ab + b^2$ (ପରିମେୟ ସଂଖ୍ୟା (Rational Numbers))

(B)

$a^2 + b^2$

(C)

$a^2 - 2ab + b^2$

(D)

$(a - b)^2$

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