Find the Unit Digit part 4 (5 seconds tricks and shortcuts)

This video is very useful for Tamil Nadu school students and competitive exams to enhance your understanding of mathematics

Topic wise video collection

Unit Digit
https://www.youtube.com/playlist?list=PL7cDjqAUauX_0ea3kf1_qWPWRY2oHqD5E

Simplification
https://www.youtube.com/playlist?list=PL7cDjqAUauX-5mTCqR76DKf4tMheUseGm

Age problems
https://www.youtube.com/playlist?list=PL7cDjqAUauX_B_LXoEV3VWtTBFfKOmcKI

Mensuration
https://www.youtube.com/playlist?list=PL7cDjqAUauX-RAqJ1nnDKNqXcsQNjCEIG

Calendar
https://www.youtube.com/playlist?list=PL7cDjqAUauX8xN_8GCD4buLHv54uKRDC7

Algebra
https://www.youtube.com/playlist?list=PL7cDjqAUauX9CdzETTcJIXn3lU-JAZ1bl

Boat and Stream
https://www.youtube.com/playlist?list=PL7cDjqAUauX9Fr6eodx8hA3G6KgpIWDVZ

Variation
https://www.youtube.com/playlist?list=PL7cDjqAUauX8IPC8kEz-q_JsaEWVKoMYR

Rail problems
https://www.youtube.com/playlist?list=PL7cDjqAUauX99KEIDwCxrzJHwXnFP30p9

Simple interest
https://www.youtube.com/playlist?list=PL7cDjqAUauX_kyiQtKtKovurSDe9lGhVB

Compound interest
https://www.youtube.com/playlist?list=PL7cDjqAUauX8OpDjnXbbiN6dvTj5QMUCp

Dice
https://www.youtube.com/playlist?list=PL7cDjqAUauX9iMOFyKs39wV_hSxjS-0jC

counting triangles
https://www.youtube.com/playlist?list=PL7cDjqAUauX8cnw-3x-aj6XxbEW7li7kL

Ratio and proportion
https://www.youtube.com/playlist?list=PL7cDjqAUauX87syqogl3OA1J_Mv4MSFXx

counting squares
https://www.youtube.com/playlist?list=PL7cDjqAUauX8EA51R2yQeLyOBH6AF6vPM

Counting rectangles
https://www.youtube.com/playlist?list=PL7cDjqAUauX-82JXxXG1KbjhhBo8FGhVX

Percentage
https://www.youtube.com/playlist?list=PL7cDjqAUauX-7C4Y3b6pg8gx_fLxkbGvF

Time and work
https://www.youtube.com/playlist?list=PL7cDjqAUauX9ponBg_FRnyNIWbMf9Pzoj

Pipes and Cistern
https://www.youtube.com/playlist?list=PL7cDjqAUauX9tfhxREOZHYzuRRs-qF5bY

Clock
https://www.youtube.com/playlist?list=PL7cDjqAUauX-8Ve3p8R5INr1iWiHiZsC0

Average
https://www.youtube.com/playlist?list=PL7cDjqAUauX8IQjdiweGekTr9Wt5NLhGN

Profit and Loss
https://www.youtube.com/playlist?list=PL7cDjqAUauX-VYhs8hYTFYcku2zIodtI2
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TNPSC Old question paper collection
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TNPSC 2015 to 2020 question paper solution
https://www.youtube.com/playlist?list=PL7cDjqAUauX_ch8WUdKwgrVJPwboY8AQk

TNPSC 2020 question paper solution
https://www.youtube.com/playlist?list=PL7cDjqAUauX-KPXGJ91uTmI2PIa9HPLUW

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TNTET Old question paper collection
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TNTET- PAPER 1 OLD QUESTION PAPER
https://www.youtube.com/playlist?list=PL7cDjqAUauX-2UQ-X_UTCMnvqibgBfnsB

TNTET- PAPER 2 OLD QUESTION PAPER
https://www.youtube.com/playlist?list=PL7cDjqAUauX-Jg7cMLX5vP-n-vesb86d3