Question
The simple interest on a sum of money is 7/20 of the
sum. If the number of years is numerically half the rate per annum, then find the rate percent per annum.Solution
Let P = 20 units and Simple Interest = 7 units T = R/2 SI = (P × R × T)/100 => 7 = (20 × R × R)/(100 × 2) => R = 8.4%
In a mixture 'P', 5 liters of water are replaced with honey, resulting in the mixture containing 55% honey. If the original mixtu...
The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is:
By which of the following symbol all Excel formula starts?
Simplify: (2x)²-(2y)²-(4x)²
Which of the following shortcut key use to check Spellings in MS Office?
In how many days can ‘Q’ alone complete the work?
I. P, Q and R together can complete the work in 9`(3)/(13)` days.
II. P and ...
Select the correct set of symbols which will fit in the given equation.
5 0 3 5 = 20
The average of first nine prime numbers isÂ
The number of five–digit telephone numbers having at least one of their digits repeated is
Relevant for Exams:
