Question
A car travels at a speed of 40 km/h for 15 minutes and
at a speed of 72 km/h for the next 5 minutes. The average speed of the car for the whole journey is:Solution
The correct answer is D
What will be the greatest common divisor (GCD) of (x² - 12x + 35) and (x² - 9x + 14).
The LCM of two numbers is 15 times their HCF. The sum of HCF and LCM of these numbers is 352.If one of the numbers is 110, find the other number.
What is the greatest number which divides 18, 29, and 40 and gives the remainder as 2, 3, and 4 respectively?
- The product of two numbers is 4620 and their L.C.M is 210. What is the H.C.F of the two numbers?
The HCF of two numbers is 12 and their LCM is 180. If one of the numbers is 36, find the other number.
The LCM of two numbers is 168, and the numbers are in the ratio 4:7. Find the sum of the numbers.
Two positive integers have HCF 12 and LCM 180. If the sum of the two numbers is 96, what is the positive difference between them?
The HCF and LCM of two natural numbers are 15 and 75, respectively. What is the difference between the two numbers, if one of the numbers is 25?
The smallest number which when divided by 23 and 28 leaves remainder 11 and 16 respectively is:
What are the Highest Common Factor and Lowest Common Multiple of 6, 72, 120?