Question

How write 50 lakhs

Express 21 square as the sum of 2 consecutive numbers

Define derivatives 

Kurukshetra.pdf

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Radha out 2 kg 250 g potato 1 kg 300 gram garbage 1 kg 450 gram to KG 670 gram only an end to 275 g ginger Reshma about 3 kg 10 gram onion 1 kg potato 560 e gram grapes 1 kg 780 gram fire and 1 kg 655 g  grapes from a fruit and vegetable store who were out more in dreams of equality and by how much

Find three rational number lying between 3by 5 and 7by 8

13/3

 Whether -150 is a term of AP:11, 8, 5, 2..... 

Dear Sir,

I am Anoop Jain

I have a tiles and hardware shop. In F.Y 2019-20 Many customers pay their amount from Google pay and others payments app for purchase of goods and they do not need of any invoices.

So we do not Generate any invoices of received amount from customers. 

So what should I consider this amount for F.Y 2019-20. 
And how to enter in the books of accounts

Thanks

X³⁵ 1 having two terms 

Area of vircle

How to solve

write in increasing order -4and4

Why should I use x

A number is divisible by 18 if it is divisible by both 3 and 6 

Construct 3 equation starting with X=-2

if she gets 25 in all  then 50 rupees 25 notes and 100 rupees 25  notes 

what is meant by maths ?