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Who wrote world first mirror image hand write needle book "Madhushala"?

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Downlink Data rate is more than Uplink data rate

My friend collects postage stamps. She purchased two, but found that she needed to raise money urgently. So she sold them for INR 8000 each. On one she made 20% and on the other she lost 20%.

How much did she gain or lose in the entire transaction?

Net Loss of Rs. 666.67

She sold both stamps for 8000/- each.

For 1st: 20% profit i.e. she sold for profit Rs. 1333.33 (8000*100/120)

For 2nd: 20% loss i.e. she sold for loss Rs. 2000 (8000*100/80)

Thus Net loss = 1333.33 - 2000.00 = Rs. 666.67.

A woman bought a used car for $600 and sold it a friend for $800. She later bought it back for $1,000 and resold it for $1,200. Did she make any profit and if so, how much?

Your Rs. 500 fell out from your pocket and someone picked it, The Person who picked it happens to owe you Rs. 100, So, The Person paid you the Rs. 100 with the Rs. 500 and You gave him back a change Of Rs. 400.

How Much Did You Lose in Total?

A man walked to a store with a fake 1000 note. He changed the note to two 500 notes from the sales attendant. He later went back to the attendant to pay for a 300 worth of goods using one of the 500, and collected 200. How much did the store lose?

A man walked to a store with a fake N1000 note. He changed the note to two N500 notes from the sales attendant. He later went back to the attendant to pay for a N300 worth of goods using one of the N500, and collected N200. How much did the store lose?

A shopkeeper decides to give a discount of 20% + 30% on the printed price of a watch, but unfortunately the printed banner comes with the print as 30%+40% discount. If he gets a gain of only 5% of actual cost of watch in this new structure then how much profit in a actual cost did he decide to get in the earlier structure.