Question
What is the purpose of the "isolation" property in
transactions?Solution
It guarantees that the database remains consistent during concurrent transaction execution.
A sum is lent on compound interest for 2 years at 14% p.a. If the compound interest on the sum is Rs.4194.4, find the sum.
The difference between compound and simple interest on a sum of money for 2 years at 25% per annum is Rs. 880. The sum is:
The simple interest received on a certain sum is Rs. 1200 less than the sum invested. If the sum was invested at 20% p.a. for 4 years, then find the sim...
Rs. ’P’ invested at a rate of 10% p.a. compound interest (compounded annually) amounts to Rs. 7744 at the end of 2 years. Find the simple interest e...
Sunil invested Rs. ‘5x’ in scheme ‘A’ offering simple interest of 25% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
- Rohit invests Rs. 7,500 on compound interest at 10% p.a. (compounded annually) for 2 years and Rs. 6,400 on simple interest at 12% p.a. for 4 years. Find t...
A man buys a laptop at Rs. 18,000. He pays Rs.6,000 at once and the rest after 18 months on which he is charging a simple interest at the rate of 15% p...
Rs. 10000 when invested at simple interest of r% p.a. amounts to Rs. 12000 in 24 months. If the same sum had been invested for 1 year at compound intere...
The difference between the compound interest compounded annually and simple interest of a sum at 6% p.a. for 2 years is Rs. 36. Find the sum.
A sum of Rs. 3100 is invested at simple interest for 2 years. If the rate interest for first year is 10% p.a. while 18% p.a. for second year, then find ...
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