Match the list of functions (after simplification) in Column A to the type of functions in Column B in Table 1. Table matching functions with their types (Table 1) Which of the following options is (are) correct?

(B) a → iv, b → ii, c → i

(A) a → iv, b → ii, c → iii

(C) a → iv, b → iii, c → i

(D) a → iii, b → iii, c → ii

Figure from the original question paper

(B) The system of linear equations has no solution.

(A) The system of linear equations has a unique solution.

(C) The system of linear equations has infinitely many solutions.

Figure from the original question paper

(D) Option figure from the original question paper

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(C) Option figure from the original question paper

Figure from the original question paper

(B) Option figure from the original question paper

(C) Option figure from the original question paper

(D) Option figure from the original question paper

(A) Option figure from the original question paper

(E) Option figure from the original question paper

Figure from the passage in the original paper Figure from the original question paper

(C) Option figure from the original question paper

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(D) Option figure from the original question paper

Figure from the passage in the original paper Which of the following matrix-vector forms correctly represents the given scenario?

(C) Option figure from the original question paper

(A) Option figure from the original question paper

(B) Option figure from the original question paper

(D) Option figure from the original question paper

Figure from the passage in the original paper Which of the following option(s) is (are) true?

(A) Option figure from the original question paper

(D) Option figure from the original question paper

(B) Option figure from the original question paper

(C) Option figure from the original question paper

Graph of the piecewise function f on [-2, 10] with solid and hollow points Which of the following option(s) is (are) true ?

(A) Option figure from the original question paper

(C) Option figure from the original question paper

(D) Option figure from the original question paper

(B) Option figure from the original question paper

January 2025 term · Mathematics for Electronics I · MA1101

Mathematics for Electronics I Qualifier: 13 April 2025 (January 2025 term)

The IIT Madras BS Mathematics for Electronics I (Maths for Electronics 1) Qualifier paper sat on 13 Apr 2025, in the January 2025 term: 15 questions for 40 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.

Questions: 15
Marks: 40
Duration: 120 min
MCQ: 6
Numerical: 6
MSQ: 3

Take as mock test Practise with answers

Updated 25 Sept 2026

Official paper: IIT M ES REATTEMPT AN EXAM QEQ1 13 Apr 2025 · No negative marking.

Question 1

+3 marksOne correct option

Match the list of functions (after simplification) in Column A to the type of functions in Column B in Table 1.

Which of the following options is (are) correct?

A
a → iv, b → ii, c → iii
B
a → iv, b → ii, c → i
C
a → iv, b → iii, c → i
D
a → iii, b → iii, c → ii

Show answer

Correct answer

B
a → iv, b → ii, c → i

Question 1 on its own page

Question 2

+3 marksOne correct option

A
The system of linear equations has a unique solution.
B
The system of linear equations has no solution.
C
The system of linear equations has infinitely many solutions.
D
None of these.

Show answer

Correct answer

B
The system of linear equations has no solution.

Question 2 on its own page

Question 3

+3 marksOne correct option

Show answer

Correct answer

Question 3 on its own page

Question 4

+3 marksNumerical answer

Show answer

Correct answer: 37

Question 4 on its own page

Question 5

+5 marksOne or more correct options

Select all that apply.

Show answer

Correct answers

Question 5 on its own page

Question 6

+1 markNumerical answer

Show answer

Correct answer: 2

Question 6 on its own page

Question 7

+2 marksNumerical answer

Show answer

Correct answer: 9

Question 7 on its own page

Question 8

+3 marksOne correct option

Show answer

Correct answer

Question 8 on its own page

Question 9

+2 marksNumerical answer

Determine the value of 4x for which Sruti earns the maximum profit in a day.

Show answer

Correct answer: 18

Question 9 on its own page

Question 10

+3 marksOne correct option

Which of the following matrix-vector forms correctly represents the given scenario?

Show answer

Correct answer

Question 10 on its own page

Question 11

+2 marksOne correct option

If Shubham attempts to determine the price of 1 kg potato using an appropriate matrix representation with d = 95, then which of the following options is (are) correct?

A
Shubham will find that the price of 1 kg potato is **₹**10.
B
Shubham will fail to find the price (as a numerical value) of 1 kg potato because c is not determined.
C
Shubham will find that the price of 1 kg potato is **₹**20.
D
Shubham will find that the price of 1 kg potato is not unique.