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=> (x + 3)/(x – 2) = 6/5 => 5x + 15 = 6x – 12 => x = 27 Mean proportional to x and 9x = √(x×9x) = 3x = 3×27 = 81
16 men can complete a work in 10 days. 10 men started the same work and left after working for ‘y’ days. The remaining work is completed by 6 men in...
Rahul can complete a work in 12 days and Ayush in 15 days. If they work together for 3 days, then the fraction of work that will be left is:
A and B can complete a work together in 18 days. If A alone can complete one-third of the work in ‘x’ days and remaining work is completed b...
Puneet and Qureshi together can complete (7/8)th of a piece of work in 9 days, Qureshi and Rohit together can complete (3/5)th of the work in 8 days and...
'Zara' is capable of finishing a specific task in 60 days. On the other hand, 'Armaan' takes 40% more time than 'Zara' to complete the same task, while ...
Ratio of the work done by P, Q and R in one day is 7:3:8 respectively. They all together can complete the work in 42 days. Q and R worked on it for 21 d...
X, Y and E can do piece of work in 24, 30 and 40 days respectively. All three began to work together but X and Y left 6 and 8 days respectively before c...
A alone can complete 40% of a work in 18 days while B takes 15 days more than A to complete it. If B and C together can complete the work in 20 days, th...
