Day 65: CBSE Class 10 Maths

5 questions (8 parts). Try each one first, then open its answer.

Question 1
Real Numbers. This type asked 2 times: 2023, 2024. This one: 2023
26 (b) $The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change together next ?$
Question 2
Real Numbers. This type asked 2 times: 2023, 2024. This one: 2023
1 $The ratio of HCF to LCM of the least composite number and the least prime number is :$
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Question 3
Statistics. This type asked 2 times: 2023, 2024. This one: 2024
12 $If value of each observation in a data is increased by 2, then median of the new data$
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Question 4 (case study, 4 parts)
Surface Areas and Volumes. This type asked 2 times: 2022, 2024. This one: 2024
The word ‘circus’ has the same root as ‘circle’. In a closed circular area, various entertainment acts including human skill and animal training are presented before the crowd. A circus tent is cylindrical upto a height of 8 m and conical above it. The diameter of the base is 28 m and total height of tent is 18.5 m. Based on the above, answer the following questions :
37 (i) $Find slant height of the conical part.$
37 (ii) $Determine the floor area of the tent.$
37 (iii) (a) $Find area of the cloth used for making tent.$
37 (iii) (b) $Find total volume of air inside an empty tent.$
Question 5
Arithmetic Progressions. Asked once: 2025 (same type asked 5 times)
11 $2m^2 + 3m$
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Question 1

Question 2

Question 3

Question 4 (case study, 4 parts)

Question 5