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By using Cross product method We get present age of Grandmother is 108 20 years before 108-20 = 88-year ans.
In a Construction site Men, Women and Children were working in the ratio 6:3: 1 to finish a job and their individual wages were in the ratio 3:1:2. Enti...
A group of 24 men is capable of finishing a task in 15 days. Initially, 12 men begin the job and work on it for 12 days. After this period, an additiona...
The day efficiency of Rajeev is equal to the one-day efficiency of Divya and Vivek together. Divya is 25% more efficient than Vivek and starts with 20% ...
8 children and 6 women together can complete a piece of work in 10 days and work done by a children in one day is one-third of the work done by a women ...
Akhil and Nikhil together can complete a work in 5 days while Nikhil alone takes 10 days to complete 40% of the work. If the efficiency of Sachin is 25%...
A and B can complete a task together in 10 days, while B alone takes 20 days to finish it. A began working alone and left after ‘x’ days, after whic...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find ...
A, B and C can complete the whole work in 20 days. A starts the work and works for ‘x’ days while B and C complete the remaining 3/5 of the ...
