If B’s age be x years, then A’s age be (x - 4) years. According to question, => (x – 4)/x = 5/7 => 7x – 28 = 5x => x = 14 Therefore A's age = 14 – 4 = 10 years
Neha can do a work in 45 days while Meha can do the same in 90 days. If Neha works for 'q' days while Meha works for 'q + 2' days then one-sixth of the ...
Amit can complete a task alone in 20 days. Bheema and Chetna, working together, can complete the same task in 12 days. The ratio ...
Anil and Ashish receive Rs.2000 for work of 8 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
18 skilled workers can complete a task in 12 days while 24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the t...
A work can be completed by ‘A’ and ‘B’, alone in 14 days and 7 days, respectively. Find the number of days taken by ‘C’ to complete the same...
P alone can finish a piece of work ‘M’ in 6 days while Q takes 4 days to finish it alone. P, Q and R working together can finish the work ‘N’ wh...
Amit is 66(2/3)% more efficient than Vivek who can do the same work in 25% more time than Sameer. If Amit and Sameer together can complete 70% of work ...
40 men can complete a piece of work in 40 days. ‘x’ men started the work and after 30 days 64 more men joined them so that whole work was finished i...
A work is done by A, B, C and D together. The percentage of work done by A, B C and D are in arithmetic progression (AP). The first, second, third and f...
A can do a piece of work in 24 days. B can do the same work in 16 days and C can do the same work in 5/4th time required by both A and B together. A an...