Question

1: by selling a chair for rupees 1440,the shopkeeper loses 10%at what prize did he buy it?
2: what rate gives an intrest of rupees 540 on a sum of rupees 18000 in 3 years​
3: find the whole quantity if 10% of it is 800
please tell the answer fast

Answer 1

1). Look up in the attachment

Answer 2

Answer:

Research has shown that blood flows more easily when music is played. It can also reduce heart rate, lower blood pressure, decrease cortisol (stress hormone) levels and increase serotonin and endorphin levels in the blood. It elevates mood. Music can boost the brain's production of the hormone dopamine.

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