Question
What must be added to each term of the ratio 3:7 so that
it may equal to 4:5?Solution
Let's the added number be x. => (3 + x)/(7 + x) = 4/5 =>Â 15 + 5x = 28 + 4x => x = 13
Four runners started running simultaneously from a point on a circular track. They took 400 seconds, 600 seconds, 720 seconds and 900 seconds to comple...
Find the LCM of 30, 35, 40, 60.
The least number which when divided by 16, 32 and 48 leave remainder 4, 20 and 36 respectively is?Â
The least number which when divided by 4, 6, 10 and 12 leave zero remainder in each case and when divided by 13 leaves a remainder of 8 is:
The HCF of two numbers is 12. Which one of the following can never be their LCM?
What is the least number which when divided by 4, 6 & 8 leave a remainder 6 in each case & it is also divisible by 5?
Three streetlights flash together. Each of them then flashes after 0.35 seconds, 0.2 seconds, and 0.105 seconds respectively. After how many seconds wil...
- Calculate the difference between the Least Common Multiple and the Highest Common Factor of 12, 30, and 45.
Find the HCF of 798 and 525.
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