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cost of two watches were in a ratio of 16:23. At present the cost of first watch increased by 1/10 th and that of the second by Rs. 477.Now the ratio of their cost becomes 11:20. what were the initial prices of the two watches?

wether the MAT June 2020 exam will postponeor not

Air contains by volume 4 parts of nitrogen and 1 part of Oxygen. if the weights of equal volumes of Nitrogen and oxygen are in the ratio 7:8 then find the ratio between the weights of Nitrogen and oxygen in air

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DGK:EHL::NPQ:?

Sir/Ma'am, is it possible to group the batch tasks month wise instead of one after another. I feel it will be organised and helpful for us. Thank You!

Sir/Ma'am, is it possible to group the batch tasks month wise instead of one after another. I feel it will be organised and helpful for us. Thank You!

Sir/Ma'am, is it possible to group the batch tasks month wise instead of one after another. I feel it will be organised and helpful for us. Thank You!

A trader marks up his goods by 80% he allows a discount of 20% he cheats 16.67% while buy ind as well as he cheats 25% while selling also He gives 1 article free with every 20 article.find profit %?

any whatsapp group for preparations?