Understanding relationship between natural numbers, whole numbers and integers

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Class 8 Tuition Class 8 Tuition Lessons Relating natural numbers,whole numbers and integers-Rational Numbers,Class...

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Rajiv Vadera

30 Jun 0 0 0

Understanding relationship between natural numbers, whole numbers and integers

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Short trick for Lcm

Let us take an example If you want to find the Lcm of 5,12,15 Step1:first take the largest digit I,e 15 Step2 :you have to take multiples of 15 For example:15,30,45,60,75,90............... Step 3:take...

Short trick to multiply by 11

Let us take an example For example:25*11 Step1 :just write 25 as the first and the last digit of ur answer For example:2_5 Step2:just do the sum of ur two digit number and place it between ur two...

Area Formulas

Areas square = a2 rectangle = ab parallelogram = bh trapezoid = h/2 (b1 + b2) circle = pi r 2 ellipse = pi r1 r2 triangle = (1/2) b h equilateral triangle = (1/4)(3) a2 triangle...

Rajiv Singh | 11/09/2018

Precautions to Protect Magnets from Losing Their Magnetic Properties

Precautions to Protect Magnets from Losing Their Magnetic Properties Never drop magnets from heights. Never heat a magnet. Do not hammer a magnet. Certain items such as CD's, DVD's, debit cards,...

Rajiv Singh | 11/09/2018

Important Formulae In Trigonometry

\tan \theta ={\frac {\sin \theta }{\cos \theta }}.\sec \theta ={\frac {1}{\cos \theta }},\quad \csc \theta ={\frac {1}{\sin \theta }},\quad \cot \theta ={\frac {1}{\tan \theta }}={\frac {\cos \theta }{\sin...

Rajiv Singh | 11/09/2018

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