Question
Average of present age of A and C is 29 years and C is
8 years younger than B. Ratio of present age of A to present age of B is 6:5. Find present age of B.Solution
Let present age of A and B be 6x and 5x years respectively. Total age of A and C together = 29 × 2 = 58 years Therefore, present age of C = 5x - 8 ATQ, => 5x - 8 + 6x = 58 => x = 6 Present age of B = 5 × 6 = 30 years
‘A’ alone can do some work in 12 days. ‘B’ and ‘C’ together can do the same work in 6 days. If ‘B’ is half as efficient as ‘A’, then...
'K' and 'L' together can complete a work in 24 days. They started working together but after 16 days, 'L' left and remaining work was completed by 'K' a...
Sonal completed 30% of work alone and left the remaining work for Vinod who completed it in 28 days. If the total work got completed in 40 days, then fi...
30 typists working 7 hours per day can complete a typing job in 15 days. ____ typists working _____ hours per day can complete (2/3)rd part of the work ...
A and B together can complete a piece of work in 30 days while A alone can complete 50% of the work in 25 days. Find the time taken by B to compl...
A can finish a work in 12 days and B can finish the same work in 18 days. They work together for 4 days and then B leaves. In how many more days can A a...
‘M’ is 60% more efficient than ‘N’. ‘N’ started the work alone and worked for 20 days and after that ‘N’ is replaced by ‘M’. If the ...
- 'Ankit', 'Manish', and 'Tarun' together can complete a work in 25 days. 'Ankit' and 'Manish' together can complete the same work in 75 days. 'Tarun' alone ...
Amit manages to reach 25% of a sales goal in 6 days, whereas Geeta can achieve 40% of the same goal within the same timeframe. How long would it take fo...
A and B together can complete a piece of work in 30 days while A alone can complete 50% of the work in 40 days. Find the time taken by B to compl...
Relevant for Exams:
