A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is:
20 men can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?
A is 40% more efficient than B. If B finishes a work in 14 days , then in how many days will A finish the same work?
The value of \(1 + \sqrt { {\cotθ + \cosθ} \over \cotθ - \cosθ}\) , if 0° < θ < 90°, is equal to:
Of the given numbers, one number is a perfect square number which is it?