Sum of first five multiples of 3 is

Asked by admin @ in Math viewed by 323 People

The sum of first five multiples of 3 in A.P

Answered by admin @


First five multiple of 3 are:

3, 6, 9, 12, 15

Here first term, a = 3

common difference, d = 6 – 3 = 3

Number of term, n = 5
Sn = n/2 [2a+ (n-1)d]

s5 =5/2 [2×3 + (5-1) 3]
=5/2 [6+4× 3]
= 5/2× 18
⇒ s5 = 9 × 5 = 45

Hope this helps you ¡!!!!!!!!!!!!!!¡

Similar Questions

Find the sum of first five multiples of 3

Asked by admin @ in Math viewed by 335 persons

Find the sum of first five multiples of 3?

The sum of first five multiples of 3 is

Asked by admin @ in Math viewed by 310 persons

The sum of first five multiples of 3 in A.P

Find the sum of first 10 multiples of 3

Asked by admin @ in Math viewed by 302 persons

Find the sum of first 10 multiples of 3

Find the mean of first five multiples of 3

Asked by admin @ in Math viewed by 312 persons

Find the mean of first five multiples of 3.

Find the sum of first 8 multiples of 3

Asked by admin @ in Math viewed by 346 persons

Find the sum of first eight multiples of 3

Find the sum of the first 8 multiples of 3

Asked by admin @ in Math viewed by 334 persons

Find the sum of first eight multiples of 3

Find the sum of first 15 multiples of 7

Asked by admin @ in Math viewed by 278 persons

Q11. Find the sum of the first fifteen multiples of 7​

Find the sum of first 10 multiples of 5

Asked by admin @ in Math viewed by 293 persons

Find the sum of first ten multiple of 5

Find the sum of first 15 multiple of 8

Asked by admin @ in Math viewed by 288 persons

Find the sum of the first 15 multiples of 8

Find the sum of first 10 multiples of 6

Asked by admin @ in Math viewed by 376 persons

What is the sum of first 10 multiples of 6

Find the sum of first 15 multiples of 8

Asked by admin @ in Math viewed by 293 persons

Find the sum of the first 15 multiples of 8. NCERT Class X Mathematics - Mathematics Chapter _ARITHMETIC PROGRESSIONS

Find the mean of first five multiples of 5

Asked by admin @ in Math viewed by 296 persons

Find the mean of first five multiples of 5

The average of first five multiples of 3 is

Asked by admin @ in Math viewed by 268 persons

Find the mean of first five multiples of 3.

First 5 multiples of 3

Asked by admin @ in Math viewed by 351 persons

8) Find the mean of the first 5 multiples of 3.the​

Find the mean of first six multiples of 3

Asked by admin @ in Math viewed by 367 persons

Find the mean of first six multiple of 3

Most viewed questions in Math

What is the value of x in the expression

Asked by admin @ in Math viewed by 15139 persons

Shubham is facing south and moves 30 km

Asked by admin @ in Math viewed by 12983 persons

Prachi excellence in mathematics class 7 solutions pdf free download

Asked by admin @ in Math viewed by 12033 persons

Oxford new enjoying mathematics class 7 solutions chapter 1

Asked by admin @ in Math viewed by 11515 persons

Survey of various types of bank accounts icse project

Asked by admin @ in Math viewed by 11504 persons

The town of p is located at point x

Asked by admin @ in Math viewed by 11358 persons

A clock gains 4 minutes after every 4 minutes

Asked by admin @ in Math viewed by 10164 persons

Running a tuck shop or canteen maths project pdf

Asked by admin @ in Math viewed by 9377 persons

Paul is sixteenth from the front of the row

Asked by admin @ in Math viewed by 9348 persons

The average weight of 20 teachers is 80 kg

Asked by admin @ in Math viewed by 7520 persons

The number 567 xy is completely divisible by 30

Asked by admin @ in Math viewed by 7395 persons

In a row of friends tiya occupies fifteenth place

Asked by admin @ in Math viewed by 7202 persons

What would $ mean if fat is coded as

Asked by admin @ in Math viewed by 5274 persons

Consider a 3 digit integer x with distinct digits

Asked by admin @ in Math viewed by 4801 persons

Rahul went to his mother's mother in law

Asked by admin @ in Math viewed by 4175 persons