Cost price of mixture per kg = (3 × 30 + 2 × 50) / (3 + 2) Cost price per kg = (90 + 100) / 5 = $38 Selling price = $45 per kg Profit = 45 - 38 = $7 Profit percentage = (7 / 38) × 100 ≈ 18.42%.
If the sum of 2 numbers is 185, their LCM is 1700 and HCF is 5. Then the difference between 2 numbers is:
Three numbers are in the ratio 2:3:4 and their HCF is 24. Find the numbers?
LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.
Find the greatest number which when divide 69,103 & 171 leave a same remainder 1 in each case?
Find the smallest multiple of 10 that, when divided by 4, 6, and 9, leaves a remainder of 4 in each case.
From a point on a circular track 10 km long A, B and C started running in the same direction at the same time with speeds of 3(1/3) km/h, 5 km/h and 2 k...
A vendor has 3 kinds of shakes i.e. chocolate, strawberry and banana. He has 180 litres of chocolate shake, 360 litres of strawberry shake and 540 litre...
What is the greatest number which divides 18, 29, and 40 and gives the remainder as 2, 3, and 4 respectively?
The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 280. If one of the number is 224, then the other number is:
Find the LCM of x² – 8x + 15 and x² – 5x + 6 is.