0

Guest

Courses New

The vertices of a polygon are labelled with natural numbers from 1 to 2000 in increasing order . First we cross out the number 1 and then numbers 16, 31, 46... until one number is crossed out 2 times. What is the number and how many numbers are left uncrossed ?

The vertices of a polygon are labelled with natural numbers from 1 to 2000 in increasing order. First we cross out the number 1 and then numbers 16, 31, 46...until one number is crossed out 2 times. What is the number and how many numbers are left uncrossed?

Grade:11

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

The number being crossed are in form 15k+1 firstly
Numbers will be crossed till 1995, Then 11 will come and the numbers will be like 11,26,41,56,.....1191
then it will be like 6,21,36..

Similarly,you can observe the coming pattern and find answers

Thanks

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More