Statistical Sciences / Mathematics / Full Subject
144 Qs Overview

Mathematics

Official Statistical Sciences Mathematics complete subject practice test — All questions across all syllabus chapters.

Q.16
ICAR 2023Shift 1 MCQ (Single Correct) +4 −1
If $\cos\theta = \frac{e^{i\theta} + e^{-i\theta}}{2}$ and $\sin\theta = \frac{e^{i\theta} - e^{-i\theta}}{2}$, then $\cos\theta - \sin\theta$ is equal to :
यदि $\cos\theta = \frac{e^{i\theta} + e^{-i\theta}}{2}$ तथा $\sin\theta = \frac{e^{i\theta} - e^{-i\theta}}{2}$ है, तो $\cos\theta - \sin\theta$ किसके बराबर है?
Q.17
ICAR 2023Shift 1 MCQ (Single Correct) +4 −1
The sum and product of the roots of the polynomial $x^2 - 2x - 8$ are respectively :
बहुपद $x^2 - 2x - 8$ के मूलों का योगफल और गुणनफल क्रमशः हैं:
Q.18
ICAR 2023Shift 1 MCQ (Single Correct) +4 −1
Roots of the equation $x^3 - 23x^2 + 142x - 120 = 0$ are :
समीकरण $x^3 - 23x^2 + 142x - 120 = 0$ के मूल हैं:
Q.19
ICAR 2024Shift 1 MCQ (Single Correct) +4 −1
Let $(a_n) = \left(\frac{n+1}{n}\right)$ and $(b_n) = (-1)^n$ be sequences of real number, then:
मान लीजिए $(a_n) = \left(\frac{n+1}{n}\right)$ और $(b_n) = (-1)^n$ वास्तविक संख्याओं के अनुक्रम हैं, तो:
Q.20
ICAR 2024Shift 1 MCQ (Single Correct) +4 −1
Let $r$ be any real number and $(a_n) = \frac{1}{n^r}$ be sequence of real number, then:
मान लीजिए $r$ कोई वास्तविक संख्या है और $(a_n) = \frac{1}{n^r}$ वास्तविक संख्याओं का एक अनुक्रम है, तो:

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