Question

sushil and sudha invested 1200 and 1400 respectively at the same rate of si for 1 1/2 years. if sudha gets 225 more intersea than sushil. find rate of interest per annum​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

r=22.5%

Step-by-step explanation:

[{1400×r×(11/2)}/100]-[{1200×r×(11/2)}/100]=225

77r-66r=225

10r=225

r=225/10

r=22.5%