Q : 13 Find the sum of the first multiples of .
First 15 multiples of 8 are 8,16,24,... This is an AP with Now, we know that Therefore, sum of the first 15 multiple of 8 is 960
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
CBSE Class 10 board exam 2024 passing criteria, eligibility for compartment; all you need to know
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