गुणा करने का आसान तरीका |multiplication trick|#shorts|Fast multiply| Guna karne ki trick |Math magic

Question kam time mein solve karne ki master trick

JEE Mains 2020 - Short Trick To Find Inverse Of A Matrix | Maths Time Saving Tricks

Aapki favorite shirt ka button toot jaye to seekhon use theek karne ki ye trick..!!

Important Time Saving Short Trick / Shortcut For JEE Main 2019 Maths

Important Time Saving Short Trick / Shortcut For JEE Main 2019 Maths | Part 2

The arithmetic mean of 100 observations is 24, 6 is added to each of the observations and then each of them is multiplied by 2.5. Find the new arithmetic mean. 100 प्रेक्षणों का समांतर माध्य 24 है। उन प्रेक्षणों में प्रत्येक में 6 जोड़ने पर, तत्पश्चात् प्रत्येक को 2.5 से गुणा करने पर, उनका नया समांतर माध्य कितना हो जाएगा?

Important Time Saving Short Trick / Shortcut For JEE Main 2019 Maths | Part - 4

JEE MAINS Short Tricks | Shortcut To Solve Integration | Maths Time Saving Tricks |JEE Mains 2020

Sequence And Series Short Trick | JEE MAINS 2020 Preparation | Maths Time Saving Tricks

4 boys are having a night in and one of the boy's mother decides to play a game. 17 cards numbered 1, 2, 3_17 are put in a box and mixed thoroughly. The mother asks each boy to draw a card and after each draw, the card is replaced back in the box. She shows some magic tricks and at the end, decides to test their mathematical skills. If the card is not replaced after the second draw, the probability of drawing a card bearing a multiple of 3 greater than 4 in the third draw by the third boy is: