Question
When the digits, which are odd in the number ‘
4864353465 ’ are decreased by 2 and the remaining digits are increased by 1, then what is the sum of 4th digit from the left end and 5th digit from the right end of the rearranged number?Solution
4 8 6 4 3 5 3 4 6 5 5 9 7 5 1 3 1 5 7 3 Required sum = 5 + 3 = 8.
Brahma, Vishnu and Mahesh are three workers, employed by a Contractor. They completed the whole work in 20 days. Initially all of them worked together, ...
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...
A and B can finish a piece of work in 20 days and 30 days respectively. Both work on alternate days. In how many days will the work be completed when A ...
The total present ages of 'X', 'Y' and 'Z' is 150 years and the average of present ages of 'X' and 'Z' is 44 years. 5 years ago, 'Y' was twice as old as...
A and C together can paint a wall in 18 days. If C takes 36 days to do it alone, and C works for 27 days after A leaves the job, what is the percentage ...
Person A can complete a work in 90 minutes while Person B takes 54 minutes to complete the same work. How much time will both take together to complete ...
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...
Working alone, ‘X’ and ‘Y’ can complete a work in 16 days and 10 days, respectively. They started working together but af...
- Vikas does 65% of a job in 39 days, while Suman does 40% in 40 days. Vikas worked for 18 days and left. Calculate how many days Suman would need to wrap up...
A alone can do a piece work in 15 days and the time taken by A alone is 50% more than the time taken by B. They started work together alternatively star...