SORTING ALGORITHMS SUMMARY IN HINDI

Here is a video that covers various sorting algorithms in Hindi:

https://www.youtube.com/watch?v=eGq2OtDqA1w

Sorts that are covered include:

Selection sort Bubble sort Insertion sort Merge sort Quicksort Heapsort Counting sort Radix sort Bucket sort

Feel free to ask questions and leave comments and suggestions.

Note: This is not related to Vedic Maths

Example of Dhavjanka Sutra

https://www.youtube.com/watch?v=oN2axKcbpMM

Video on vedic cubing

Here is a simple video that explains the concept of Vedic Cubing:

Vedic Cubing technique for 2-digit numbers.
https://www.youtube.com/watch?v=AOZtxkK0r1k

GEOMETRY QUESTION

An equilateral triangle of side t, a square of side s and a circle of radius r touch each other in a right triangle ABC with vertical side BC=a. Find t in terms of a.

Source: Adapted from Sacred Mathematics by Fukagawa Hidetoshi and Tony Rothman (originally a Sangaku by Watanabe Kiichi)

LikeLike · 

CREATE A 10 DIGIT NUMBER

Find a 10-digit number where the first digit is how many zeros in the number, the second digit is how many 1s in the number etc. until the tenth digit which is how many 9s in the number.

FRACTION WITH ALL DIGITS

Can you arrange the numerals 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8 and 9) in a single fraction that equals exactly 1/3 (one third)? 

Example that doesn't work: 7192/38456 = 0.187

A PNC PROBLEM

Given 30 consecutive numbers, how many ways can you select 3 to get an even sum ?