CBSE Class 12 Applied Mathematics Sample Paper 2025 Solved

SECTION-A

(This section comprises of multiple-choice questions (MCQs) of 1 mark each)

Select the correct option (Question 1 - Question 18):

Q.1. The area (in sq units) bounded by the curve 𝑦 = √𝑥, the x − axis, 𝑥 = 1 and 𝑥 = 4 is
(A) 11/3
(B) 1/4
(C) 14/3
(D) 13/3

Answer : C

Q.2. Sampling which provides for a known non-zero equal chance of selection is
(A) Systematic sampling
(B) Convenience sampling
(C) Quota sampling
(D) Purposive sampling

Answer : A

Q.3. Let the cost function for a manufacturer is given by C (x) = x³/3 - x² + 2x (In rupees) Which of the following statement is correct based on the above information?
(A)The marginal cost decreases from 0 to 1 and then increases onwards.
(B) The marginal cost increases from 0 to 1 and then decreases onwards.
(C)Marginal cost decreases as production level increases from zero.
(D)Marginal cost increases as production level increases from zero.

Answer : A

Q.4. The absolute minimum value of the function f (x) = 4x - (1/2) x² in the interval [-2, 9/2] is:
(A) −8
(B) −9
(C) −10
(D) −16

Answer : C

Q.5. For the purpose of t − test of significance, a random sample of size (n) 2025 is drawn from a normal population, then the degree of freedom (𝜐) is
(A) 2025 ²⁰²⁵
(B) 2025 ²⁰²⁴
(C) 2025
(D) 2024

Answer : D