Question
A man spends 75% of his income. His income increases by
20% and his expenditure also increases by 10%. Find the percentage increase in his savings.Solution
let the income = Rs 100 expenditure = 75% of his income = 75% of 100 = Rs 75 savings = 100 - 75 = 25 (savings = income − expenditure) income increases by 20% new income = 100 + (20/100) × 100 = 100 +20 = Rs 120 new expenditure = 75 + (10/100) × 75 = 75 + 7.5 = Rs 82.5 new savings = 120 - 82.5 = 37.5 increase in savings = new savings - initial savings = 37.5 - 25 = Rs 12.5 % increase in savings =(increase in savings / initial savings) × 100 = (12.5/25) × 100 = 50%
Which part of the RDBMS architecture is responsible for maintaining a physical copy of the database on disk?
Which device operates at the Data Link Layer of the OSI model?
Which of the following is not a valid rule of XOR?
What are the three main components of a bipolar junction transistor (BJT)?
In the context of database backup, what does the term "point-in-time recovery" refer to?
Which data analytics technique is best suited for identifying hidden patterns or relationships in large datasets?
Which cryptographic system uses two different keys for encryption and decryption?
Which of the following is NOT a comparison operator in Python?
Major type of computer chip
State true or false
In Hub there is one collision domain and one broadcast domain.
In Switch there is multiple collision domain and o...