Question : 15 men can complete a work in 25 days and 25 women can complete the same work in 40 days. If all the 15 men and 25 women work together, in how many days will the work get completed?

Option 1: $15 \frac{5}{13}$ days

Option 2: $10 \frac{5}{13}$ days

Option 3: $15 \frac{5}{12}$ days

Option 4: $15 \frac{4}{13}$ days

Question : A man spends Rs. 1,800 monthly on average for the first four months and Rs. 2,000 monthly for the next eight months and saves Rs. 5,600 a year. His average monthly income is:

Option 1: Rs. 2,000

Option 2: Rs. 2,200

Option 3: Rs. 2,400

Option 4: Rs. 2,600

Question : Ravi initially used to save 20% of his monthly income. Recently, his monthly income was raised by 25%. His nominal savings also went up by 5%. What percentage of his present nominal income does Ravi currently save?

Option 1: 25%

Option 2: 20%

Option 3: 15%

Option 4: 16.8%

Question : Due to a 25% fall in the rate of eggs, one can buy 2 dozen eggs more than before by investing Rs. 162. The original rate per dozen eggs was:

Option 1: Rs. 22

Option 2: Rs. 24

Option 3: Rs. 27

Option 4: Rs. 30

Question : Ram can complete a task in 15 days, Rohan in 25 days, and Rohit in 30 days. Rohan and Rohit worked together for 2 days and then, Rohit was replaced by Ram. In how many days altogether was the work completed?

Option 1: 10 days

Option 2: 8 days

Option 3: 12 days

Option 4: 7 days