Question

O
05 15
31) A sum was doubled with 121/2% rate of simple interest,
per annum. Then time taken for that sum is:
कोई राशि 121/2% की वार्षिक साधारण ब्याज पर दुगुनी हो
जाती है तो उस राशि के लिए कितना समय लगा?
A) 10 years/ वर्ष
B)81 years / वर्ष
2100
C) 121 years / af b )8 yeats / at y 100
132) Aman retired from his service at the age of 60. He served​

Answer 1

Answer:

10 sal pahle uski Umra 20 sal ki is sal pahle uski Umra 25 sal ki 25 Sal se

Step-by-step explanation:

n + 10 is equal to 20 e that 20 + 20 is equal to 30 30 + 31 to 40 40 + 41 to 60 60 - 25 is equal to 40 is equal to 20 20 is equal to 10 10 - 5 is equal to