Find the sum of all natural no. between 101 and 304, Mathematics

Find the sum of all natural no. between 101 & 304 which are divisible by 3 or 5.

Find their sum.

Ans:    No let 101 and 304, which are divisible by 3.

102, 105.............303 (68 terms)

No. which are divisible by 5 are 105, 110......300 (40 terms)

No. which are divisible by 15 (3 & 5) 105, 120...... (14 terms)

∴ There are 94 terms between 101 & 304 divisible by 3 or 5. (68 + 40 - 14)

∴ S68 + S40 - S14

= 19035

 

Posted Date: 4/8/2013 5:53:46 AM | Location : United States







Related Discussions:- Find the sum of all natural no. between 101 and 304, Assignment Help, Ask Question on Find the sum of all natural no. between 101 and 304, Get Answer, Expert's Help, Find the sum of all natural no. between 101 and 304 Discussions

Write discussion on Find the sum of all natural no. between 101 and 304
Your posts are moderated
Related Questions
The Fisher's index The index of Fisher acts as a compromise between Paasche' index and Laspeyre's index. This is calculated as a geometric mean of the two indexes.

Determine the area of the regular octagon with the following measurements. a. 224 square units b. 112 square units c. 84 square units d. 169 square units b. See

Find the number of zeros of the polynomial from the graph given. (Ans:1)

Q. There are 10 students on the school debating team. How many different ways can the team choose a president and a secretary? Ans. There are 10 choices for the president

I have a journal article in applied mathematics and want to analyze the solutions step by step. Is there anyone specialize in this file?

how do you turn a fraction into a decimals



THE CURVE C HAS POLAR EQUATION R=[X^1/2][E^X^2/PI]. WHERE X IS GREATER THAN OR EQUAL TO 0 BUT LESS THAN OR EQUAL TO PI. THE AREA OF THE FINITE REGION BOUNDED BY C AND THE LINE X EQ

Example of Probability: Example: By using a die, what is the probability of rolling two 3s in a row? Solution: From the previous example, there is a 1/6 chance of