Question
What is the rate percent per annum? Quantity I.
Sum of money becomes four times in five years at simple interest. Quantity II. The difference between compound interest and simple interest on a sum of Rs. 15,000 at the end of two years is Rs. 9,600. Study the following information carefully and answer the Questions given below:Solution
Quantity I. Rate % = (300 ×100)/(100 × 5) = 60% Quantity II. Difference = Pr²/100² 96 = (15000 × r²)/100² r² = (9600 × 100 ×100 )/15000 r² = 6400 r = 80% Hence Quantity I < Quantity II
The average age of A, B & C is 48 years. Ratio of present ages of A to C is 3:5 and present age of B is 33.33% more than that of A. find the difference...
In a company, the average age of 40 employees is 20 years. When the ages of two managers, one 'a' years old and the other 'a + 10' years old, are includ...
‘N’ is the number of employees in an IT company ‘ABC’. The average age of employees working in the company is 45 years. What wil...
- The average age of (x + 4) students of a class is 18 years. If the 54 years old class teacher is also included then average age of the class gets increased...
A worker completes 6 tasks at an average rate of 5 tasks per day. If he needs to complete an average of 8 tasks per day over 12 days, what should be his...
While tabulation of marks scored in an examination by the students of a class, by mistake the marks scored by one student got recorded as 93 in place o...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
The average of a set of 's' numbers is 20. If 80 is added to the set, then the average of the set becomes 20.5. Find the value of '4 X (s - 12)'.
The average weight of 15 oarsmen in a boat is increased by 1.6 kg when one of the crew, who weighs 42 kg, is replaced by a new man. Find the weight of t...
Akshay bought 25 notebooks for Rs.1260 from shop A and 13 notebooks for Rs.1210 from shop B. What is the average price he paid per book?