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Let the total number of students in the school be 1000. Number of boys = 60% of 1000 = 600 Then, number of girls = 1000 - 600 = 400 Number of boys who failed the exam = (100 - 40)% of 600 = 360 Number of students who failed = (100 - 35)% of 1000 = 650 Then, number of girls who failed = total fail - boys who failed = 650 - 360 = 290 girls Percentage of girls who failed = (failed girls/total girls) × 100 = (290/400) × 100 ∴ Percentage of girls wo failed is 72.5%.
Soham invested Rs. 32,000 partly in schemes ‘I’ and ‘J’ for 4 years and 6 years, respectively. Scheme ‘I’ offers simple interest at 18% per ...
Rs. 8500 is invested in scheme ‘A’ for 2 years and Rs. 6500 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 13% ...
Arjuna deposited Rs.90,000 in an SIP that offers simple interest at a rate of 10% per annum for 3 years. Had he deposited the sam...
A sum of money amounts to ₹8700 in 2 years at a simple interest rate of 8% per annum. If the same sum is invested at compound interest with the same r...
₹2,500, when invested for 8 years at a given rate of simple interest per year, amounted to ₹3,725 on maturity. What was the rate of simple interest...
Rs.6600 is divided into two parts such that if one part be invested at 4% and the other at 6%, the annual interest from both the investments is Rs. 372....
The difference between compound interest and simple interest at the same rate for Rs. 3600 for 2 years is Rs. 36. The rate of interest per annum is:
If Rs. 4000 becomes Rs. 5760 in 2 years at compound interest (compounded annually), then what is the annual rate of interest?
If a sum of money doubles in 5 years at simple interest, what is the rate of interest per annum?
