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Let the radius of the circle be r cm. Circumference of the circle = 2πr The new radius of the circle = 10r New circumference of the circle = 2 π × 10r = 20πr Required answer = 20πr/2πr = 10 (times)
The ratio of two numbers 'a' and 'b' is 6:2, respectively. Whereas the ratio of 'b' and 'c' is 10:11, respectively. When 14 is added to 'a', it becomes ...
A school has 600 students. The ratio of boys to girls is 3:2. If 40 new boys join the school, what will be the new ratio of boys to girls in the school?
Two numbers are in the ratio 3 : 4. When 8 is subtracted from each, the ratio becomes 2 : 3. Find the greater number.
If A: B = 2:3 and B: C = 3:4 find the value of (A+B): (B+C): (C+A).
Hariom has 85 notes of Rs 50 and Rs 100. If the total money he has is Rs 5000, then find the number of Rs 50 notes.
Raju and Ramesh started a business with investing capital in the ratio of 9:16. After 5 months, Raju reduced his 1/3 portion of the capital and after 8 ...
In a mixture of 40 liters, the ratio of milk to water is 5:3. How much milk must be replaced by water so that the new ratio becomes 1:1?
The ratio of Ankita and Sakshi 's ages will be 9:5 after 16 years. Currently, Ankita's present age is 180% more than Sakshi 's age four years ago. What ...
