Math, asked by shivamyadav3982, 5 days ago

चदि 640 रुपए, 2 वर्ष में 768 रूपए हो जाते हैं, तो उसी ब्याज को प्रतिशत वार्षिक दर से कौन-सी राशि वर्ष में 868 रुपए हो​

Answers

Answered by kashyapkuva9
0

Let rate = r%

a/q

640 × 5 × R/100 × 2 = 786 - 640 = 128

R = 128 × 2 × 100/640 × 5 = 8%

now let required amount = ₹X

i.e

X × 3 × 8/100 = 868 - X

24X = 86800 - 100X

124x = 86800

•: X = 86800/124 = 700

SO REQUIRED AMOUNT = 700

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