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Total work = 60 units (LCM of 20 and 15) Inlet efficiency = 3 unit Outlet efficiency = -4 unit Total efficiency of inlet = 6 × 3 = 18 unit Total efficiency of outlet = -4 (x – 2) = (8 – 4x) unit ATQ: => (18 + 8 – 4x) × 10 = 60 => (26 – 4x) = 60/10 => 4x = 26 – 6 = 20 => x = 5
Sum of the two numbers is 42. LCM and HCF of that two number is 72 and 6 respectively. Find the sum of reciprocals of the numbers?
In a school, 68 boys and 119 girls have been divided into the largest possible equal classes, so that each class of boy numbers the same as each class o...
Find the HCF of 240, 280 and 560.
What should be the minimum number of chocolates so that when distributed among 3,4,5,6 and 7 children, 1,2,3,4 and 5 chocolates are left respectively?
Find the LCM of x² – 8x + 15 and x² – 5x + 6 is.
The LCM of two numbers is 216 and their HCF is 36. If one of the numbers is 72, the other number is:
The least number which when divided by 6,18 and 20 leave a same remainder 3 in each case?
The Highest Common Factor (HCF) and Least Common Multiple (LCM) of two numbers, X and Y, are given as 8 and 80, respectively. Additionally, the differen...
The LCM of two numbers is 540, and their HCF is 18. If one of the numbers is 90, find the other number.
The H.C.F of two numbers is 8 and their L.C.M is 136. If one of the numbers is 64, find the other?