Saturday, May 02, 2015

HCF and LCM Question Solving Video Posted on 5th April 2015

Question 1. 52 x 3 x 24, 22 x 32 x 7. Find the Least Common Multiple (LCM)

Question 2. 122, 124, 1210, 126. Find the Least Common Multiple (LCM)

Question 3. 6-1, 6-3, 6-10, 6-12. Find the Highest Common Factor.

Question 4. The ratio of two numbers is 5:6, if their HCF is 9 and LCM is 270 then find the numbers.

Question 5. The multiplication of two numbers is 20000 and if their LCM is 800.Find the Highest Common Factor.

Question 6. Find the least number which when divided by 4,6,7,8,9,12 leaves the same remainder 3 in each case.

Question 7. The Least Common Multiple of the fraction (2/3),(4/9),(5/6),(7/12) is

Question 8. The Highest Common Factor of the fractions of 36/25, 48/25, 72/25 is

Question 9. Three pieces of timber 42 meter, 49 meter and 63 meter long have to be divided in planks of the same length. What is the greatest possible length of each plank ?

Question 10.Three different containers contain different quantities of mixtures of milk and water, whose measurements are 403 kg, 434 kg and 465 kg. What biggest measure must be there to measure all the different quantities exactly ?

Question 11. The least number of square tiles required to pave the ceiling of a room 15 meter 17 centimeter long and 9 meter 2 centimeter broad, is

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