Question
A man goes to Mumbai from Pune at a speed of 4 km/hr and
returns to Pune at speed of 6 km/hr. What is his average speed of the entire journey?Solution
AverageĀ Speed = 2xy/(x + y) = (2 x 4 x 6)/(4 + 6)
= 48/10 = 4.8 km/hr
If total number of factors of 6,615 is 'x', then find the value of (x - 2)(x + 4).
What is the least number which when divided by 3, 15 & 18 leave a remainder 6 in each case & it is also divisible by 12?
What is the difference between the LCM and HCF of 36, 40?
Two numbers are in ratio 23:12. If their HCF is 8, then find the LCM of the given two numbers.
The ratio of two numbers is 5: 8 and their LCM is 320. What is the difference between these two numbers?
Ratio of two numbers 3:7 and their LCM is 840. Find the sum of the given two numbers.
What is the LCM of 2/3, 4/6, 8/27?
The smallest number which when divided by 28 and 32 leaves remainder 12 and 16 respectively is:
If total number of factors of 2,430 is 'x', then find the value of (x - 6)(x + 1).
If the product of two numbers is 80 and their HCF is 5, then find the LCM of the given two numbers.
