Question
In what ratio coffee at 255 Rs/kg should be mixed with
the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st type is 40 kg what will be the quantity of the 2nd coffee?Solution
1st type coffee is 40 kg. So, 8 means 40 kg. Therefore, 2nd type coffee = 40 x (3/8) = 15 kg
Three numbers are in the ratio 2:3:4 and their HCF is 24. Find the numbers?
LCM and HCF of the two numbers are 225 and 15 respectively. One of the numbers is 45, then find the second number.
The HCF of two numbers is 21. Which of the following can never be their LCM?
The LCM of two numbers is 5 times of their HCF. The sum of LCM and HCF is 300. If one of the number is 250, then the other number is:
- Find the least common multiple of (18/27), (24/36), and (30/45).
The least number which is exactly divisible by 15, 25 and 30 is
The product of two numbers is 3600 and their HCF is 6. Total number of such pairs of numbers is?
Ratio of two numbers 5:9 and their LCM is 1260. Find the sum of the given two numbers.
What is the least number which when divided by 4, 6 & 8 leave a remainder 6 in each case & it is also divisible by 5?
The H.C.F. of two numbers is 22 and the other two factors of their L.C.M. are 9 and 11. The larger of the two numbers is:
