Question
A circular wire of diameter 63 cm is folded in the shape of a rectangle whose sides are in the ratio 5:4. Find the area enclosed by the rectangle.
More HCF and LCM Questions
- Three numbers a, b and c are co-prime to each other such that ab = 115 and bc = 253. Find the value of (a + b + c).
- Four machine makes a beep after every 1, 3, 5 and2 min respectively . In 5hrs , how many times do they beep together if they have just beeped together.
- Three numbers are in the ratio 2:3:4 respectively. If the HCF of the numbers is 6, then find the LCM of the numbers.
- The HCF of two numbers is 21. Which of the following can never be their LCM?
- Sum of the two numbers is 49 and their HCF and LCM are 7 and 70, respectively. Find the sum of reciprocal of the given two numbers.
- The H.C.F. of two numbers is 22 and the other two factors of their L.C.M. are 9 and 11. The larger of the two numbers is:
- The least number which when divided by 16, 32 and 48 leave remainder 4, 20 and 36 respectively is?
- Find the LCM of 12, 18 and 27.
- If the total number of factors of 1250 is 'y', then find the value of (y - 4)(y + 7).
- What is the difference between the LCM and HCF of 36, 40?
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