Question
What is the smallest number which is divisible by 15, 20,
and 30?Solution
ATQ,
We know, the smallest number which can be divisible by 'a', 'b', and 'c' =
LCM of 'a', 'b', and 'c'.
Here, 'a', 'b', and 'c' are three different numbers.
Required number = LCM of 15, 20, 30 = 60
Therefore, the smallest number which is divisible by 15, 20, and 30 is 60.
The interest received on investing Rs. (5p + 150) on simple interest at 15% p.a. for 2 years is Rs. (2p + 240). Find the ratio (p - 90):(p + 60)
Dinesh invested Rs. (P-500) at the rate of 27% per annum on simple interest and at the end of three years, he got Rs. 4860 as an interest. Pankaj invest...
A certain sum of money becomes Rs. 1250 in 1 year and 2500 in 3 years at certain rate of simple interest. Find the sum of money invested.
A sum of ₹12,000 is invested at 8% simple interest per annum. What is the total amount after 5 years?
'The sums of money owned by 'Ajay' and 'Vijay' are in the ratio of 7:5, respectively. 'Ajay' invested his amount for 5 years at a simple interest rate o...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2100 after 3 years. If the same amount is investe...
In what time will Rs. 2500 amount to Rs. 3327.5 @ 20% compound interest payable half-yearly?Â
Calculate the compound interest earned on investing Rs. 20,000 at 25% per annum compounded annually for 2 years.
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...
In what time will Rs. 16000 amount to Rs. 19360 @ 10% compound interest?
Relevant for Exams:
