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CBSE Class 10th Maths Important Questions 2025, Download Chapter Wise PDF here

The Central Board of Secondary Education is all set to conduct the class 10 Maths Exam for the academic session 2024-25 on March 10, 2025. All the students who are preparing eagerly to appear and score high in this exam might now be looking for the CBSE Class 10th Maths Important Questions 2025. Therefore, as a relief for all those students, we have shared the most important questions for the CBSE Class 10 Mathematics Exam 2025 in the article below. These questions will surely help students with their last-minute preparation for the exam.

CBSE Class 10th Maths Exam Pattern 2025

The CBSE Class 10th Maths Question Paper 2025 will be divided into 5 sections so that all the students can easily differentiate among the types of answer and the marks to be allotted for them. Check the table below for the CBSE Class 10th Mathematics Exam Pattern 2025:

CBSE Class 10th Mathematics Exam Pattern 2025
Section Question type Questions Marks per question
A
Multiple choice questions
Assertion Reason questions
1-18
19-20
1 mark each
B
Very Short Answer type questions
21-25 2 marks each
C
Short Answer type questions
26-31 3 marks each
D Long Answer type questions 32-35 5 marks each
E
Case study based questions
36-38
4 marks each

 

Check :- CBSE Class 10 Result 2025

CBSE Class 10th Mathematics Important Questions 2025

Q1. Three alarm clocks ring their alarms at regular intervals of 20 min., 25 min. and 30 min. respectively. If they first beep together at 12 noon, at what time will they beep again for the first time                                                                       

(a) 4 : 00 pm
(b) 4 : 30 pm
(c) 5 : 00 pm
(d) 5 : 30 pm

Sol. Time when they ring together = LCM (20, 25, 30)

Sol. Time when they ring together = LCM (20, 25, 30)
By prime factorisation,
20 = 2 × 2 × 5
25 = 5 × 5
30 = 2 × 3 × 5
LCM (20, 25, 30) = 2 × 2 × 3 × 5 × 5 = 300
Thus, 3 bells ring together after 300 minutes or 5 hours.
Since, they rang together first at 12 noon, then they ring together again at 5 pm.

Q2. If a and b are two coprime numbers, then 𝒂3 and 𝒃3 are

(a) Coprime
(b) Not coprime
(c) Even
(d) Odd
Sol. As a and b are co-prime then 𝒂3 and 𝒃3 are also co-prime.
We can understand the above situation with the help of an example.
Let 𝑎 = 3 and 𝑏 = 4
𝒂3 = 33 = 27 and b3 = 43 = 64
Clearly,
HCF(𝑎, 𝑏) = HCF(3, 4) = 1
Then,
HCF(𝒂3 , 𝒃3 ) = HCF(27, 64) = 1
Q3. If one zero of the quadratic polynomial x3+ 𝟑𝒙 + 𝒌 is 2, then the value of k is
(a) 10
(b) –10
(c) –7
(d) –2
Sol. Given the polynomial is
𝑝(𝑥) = x2+ 3𝑥 + k
2 is a zero of 𝑝(𝑥), then 𝑝(2) = 0
(2)2+ 3(2) + 𝑘 = 0
⇒ 4 + 6 + 𝑘 = 0
⇒ 10 + 𝑘 = 0
⇒ 𝑘 = −10.

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