Question
A certain sum amounts to ₹22,494 in 7 years at x% per
annum on simple interest. If the rate of simple interest per annum had been (x + 4) %, the amount payable after 7 years would have been ₹25,9120. Find the sum invested.Solution
Rate of interest per annum in 1st case =x% Rate of interest per annum in 2nd case =(x+4) Let the Sum =100y. ATQ- 
100y+6xy+28y=25920 128y+6xy =25920…put the value of eq (1) 128y+22494-100y=25920 28y=3426 Y=122.35 Total Sum =100×122.35 =12235.
What is the name of the strategic roadmap launched between India and the UK in 2025?
Who has been appointed as the Director General of BSF?
When is the first ‘Made in India’ Falcon 2000 business jet expected to take flight?
Who has been appointed as the new chief of Research and Analysis Wing (RAW)?
What is the primary objective of the partnership between the Indian Institute of Management Indore and the National Skill Development Corporation (NSDC)?
Consider the following statements:
I. The Global Livelihood Index is released by The Economist Intelligence Unit.
II. In Global Livelihood...
Recently Tata Steel unveils 7 mn pound green investment plan for which of the following European country?
What is the purpose of the $200 million loan agreement between the Government of India and the Asian Development Bank (ADB) for Uttarakhand?
Who has been named the next president of Marylebone Cricket Club ( MCC ) ?
What is the targeted number of women to benefit from the Women Entrepreneurship Program launched by NSDC?
Relevant for Exams:
