Question
Which of the following is an identity
function?Solution
An identity function is a function where the output equals the input, i.e., f(x) = x for all values of x. Other options do not satisfy this condition:Â f(x) = 1 and f(x) = 0 are constant functions. f(x) = |x| is an absolute value function.
Rs. 16000 invested for 2 years in a scheme offering compound interest (compounded annually) of 15% p.a. gives an interest that is Rs. 25 less than the i...
A farmer borrows ₹50,000 at a simple interest rate of 12% per annum. After how many years will the total interest amount to ₹30,000?
Amit invested Rs. 96,000 in two SIPs labeled 'P' and 'Q.' SIP 'P' offers an annual interest rate of (p - 3)%, and SIP 'Q' offers (p + 3)% interest, both...
If Rs. 25,000 is loaned at a compound interest rate of 50% per annum, and the interest is compounded once every year, what will t...
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 3000. What will be the total amount received after 2 year...
What principal amount, when invested at an annual simple interest rate of 3.6% for 15 years, will generate an interest of Rs. 4,050?
Rs. 9000 is invested in scheme ‘A’ for 2 years and Rs. 7500 is invested in scheme ‘B’ for 2 years. Scheme ‘A’ offers simple interest of 10% ...
A certain sum of money invested at R% p.a. simple interest amounts to Rs. 17760 after 4 years and Rs. 22080 after 7 years. If the same sum of money is i...
A certain sum of money, when invested at a simple interest rate of 12% per annum, grows to Rs. 3,850 over a period of 54 months. What will be the inter...
Some amount out of Rs. 12000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amou...
