Let radius of the circle be r cm. Circumference of the circle = 2 πr New radius of the circle = 15 r New circumference of the circle = 2 π × 15r = 30 πr Required answer = 30 πr/2 πr = 15 (times)
‘A’ can complete a work in 18 days and is 10% more efficient than ‘B’. ‘A’ and ‘B’ start the work together, but ‘A’ leaves after 15 ...
Ajay, Bablu and Chirag can complete a certain work in 21, 28 and 15 days respectively. Ajay and Chirag started the work while Bablu joined them after 5 ...
A group of 'x' men can finish a job in 46 days. If 8 additional men had joined the group, they could have completed the same job 16 days earlier. Assumi...
A is 20% more efficient than B. How much time will they working together take to complete a job which A alone could have done in 29 days?
A and B working together completed a job in 40/9 days. If A had worked twice as efficiently as she did and B had worked 1/3 of his actual efficiency, th...
15 men can do a piece of work in 10 days working 12 hours a day. How many men can do double the work in 25 days working 8 hours a day?
A is twice efficient as B and B can do a piece of work in 40 days. B started the work and after a few days A joined him. They completed the work in 32 ...
A can do a piece of work in 12 days, while B alone can do it in 18 days. They work together for 6 days and the rest of the work is completed by C...
Arjun is 50% less efficient than the combined efficiency of Bheem and Cherry. If Bheem can complete a task in 12 days and Cherry in 20 days, determine t...
'B' and 'C' in a team can complete a piece of work in 25 days and on other hand 'B' alone can do the same work in 40 days. If they started the work in...
