A is a rotation matrix by angle θ. Two rotations of θ compose to a rotation of 2θ. Direct multiplication confirms each entry uses the double-angle identities, giving cos2θ and sin2θ in place of cosθ and sinθ.
Between 3 p.m. and 5 p.m. the average number of phone calls per minute coming into the helpline desk of a bank is 5. The probability that during one…
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqeasy
Between 3 p.m. and 5 p.m. the average number of phone calls per minute coming into the helpline desk of a bank is 5. The probability that during one particular minute there will be only one phone call is :
Official previous-year question
Held on 25 May 2023 · Verified 13 Jul 2026.
Options
- A
0.5e−5
- B
5e−5
- C
e−5
- D
25e−5
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
CUET UG Applied-Mathematics in other years
More CUET UG Applied-Mathematics questions
If $y = e^{\frac{1}{2}\log(1+ \tan^2 x)}$, then $\frac{d^2y}{dx^2}$ is equal to:
2025medium
If the total cost and total revenue of a company that produces and sells $x$ units of a particular product are $C(x) = 5x + 350$ and $R(x) = 50x - x^2$ respectively, then which of the following is/are the breakeven values: (A) $x = 10$ (B) $x = 25$ (C) $x = 45$ (D) $x = 30$ Choose the correct answer from the options given below:
2025medium
The supply function of a commodity is P = $x^3+2x+18$. When 4 units of commodity are sold , then producer surplus is:
2025medium
If the random variable X follows the Poisson distribution such that P[X = k] = P[X = k+1], then the mean value of X is:
2025medium
The demand function P for maximising a profit monopolist is given by P=274-x², while the marginal cost is 4+3x for x units of commodity. The consumer surplus is
2025hard
Other Mathematics topics for CUET UG
Keep practicing Applied-Mathematics
Work through every CUET UG Applied-Mathematics PYQ, year by year.