Solved example 1
The LCM of 12, 15 and 21 is:Step-by-step solution
- 12 = 2² × 3
- 15 = 3 × 5
- 21 = 3 × 7
- LCM = 2² × 3 × 5 × 7 = 4 × 3 × 5 × 7 = 420
Answer: 420
Complete board exam paper — 38 questions. No coach help. Timer will track your speed.
Questions
38
Board
CBSE
Year
2024
The complete question list from the CBSE Class 10 Mathematics 2024 board examination is below. Every question can be attempted in the timed interactive test above, with visual step-by-step solutions and AI coaching after each answer. Three fully worked solutions from this paper follow the question list.
Solved example 1
The LCM of 12, 15 and 21 is:Step-by-step solution
Answer: 420
Solved example 2
The HCF of two numbers is 18 and their product is 12960. Their LCM is:Step-by-step solution
Answer: 720
Solved example 3
If α and β are the zeroes of x² − 5x + 6, then the value of α³ + β³ is:Step-by-step solution
Answer: 35
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