Question
A deposited Rs. 7000 at 21% per annum compound interest
in scheme A for 2 years. After 2 years, he deposited total amount at 25% simple interest per annum in another scheme B. Find the interest earned from scheme B after 4 years.Solution
Total amount earned from scheme A = 7000 × (1.21)2 = Rs. 10248.70 Interest earned from scheme B = (10248.7 × 25 × 4)/100 = Rs. 10248.70
Three numbers are in the ratio 3:5:6. If the sum of their squares is 630, then the numbers are:
By mistake, by dividing Rupees 2256 between x, y and z in the proportion 1/3: 1/4: 1/5, it was divided in the proportion of 3:4:5. What is the differenc...
Two numbers are in the ratio 7:4. After adding 2 and 6 to them respectively the ratio becomes 2:3. Find the bigger number.
Shops 'A' and 'B' together purchased a total of 9,200 notebooks in the ratio of 2:7 for shop 'A' and 4:9 for shop 'B'. Shop 'A' managed to sell 25% of i...
Rs.10800 was divided among A, B and C in the ratio 2:3:4. B kept Rs.1200 for himself, gave Rs.800 to his mother and divided the remaining money among hi...
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 5:4. If total number of runs scored by Rohit, Shreyas and Vir...
If 'U' is the prime number 17, then find the fourth proportion of (U + 3), (U - 7) and (U + 5).
The ratio of males and females in a zoo is 5:6 respectively and the percentage of children among males and the percentage of children among females are ...
84 is divided into two parts in such a way that the fourth part of the first part and the fifth part of the second are in the ratio 1 : 2. The first par...
Ratio between two numbers is 9:14 and their difference is 55. Find the sum of the given two numbers.