Question

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rs 640 amount to rs 784 in 2½ years. what will rs 900 amount to in 4 years at the same rate percent per annum​

Answer 1

Step-by-step explanation:

rs 640 amount to rs 784 in 2½ years. what will rs 900 amount to in 4 years at the same rate percent per annum

the answer to this question is 1143

for the explanation please check out the pic the attachment