find the simple interest and amount principal =rupee 640 rate=121/2% time=6months
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2
Answer:
principal= ₹640
rate= 121/2%
time= 6 months or 1/2 years
simple interest= principal × rate × time/100
= 640×121×1/400
=₹193.60
Total amount= 640+193.6
= ₹833.60
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640×1×12/4×100
6.4×3
6.4 because cancelled out by the zeros of hundred and 3 as 12 cancelled by 4
19.2
S.I = 40
Amount=680
step - by step explanation
S.I = P×R×T/100
640×12.5×0.5/100
40
amount= S.I+ principal
40+640
680
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