The following table shows the amount of money spent by six university students living in student accommodation on food, travel, rent and miscellaneous expense, along with their monthly budget. (The gender of the students are mentioned in brackets, M - Male, F - Female). Answer the following questions based on this table.
What percentage of their total expenditure do the female students together spend on travel?
Who among all the six students, spends the highest percentage of their monthly budget on food ?
Who among all the six students spends the least percentage of their monthly budget on travel?
In a survey of 400 college students regarding their preference for three kinds of food - pasta, pizza and burgers, 25% said they like pasta and pizza, 25% said they like pasta and burger and 20% like pizza and burgers. 10% said they like all three. 60% of the students like pasta, 65% like pizza and 55% like burger. Answer the following questions related to this data.
What is the percentage of students, who like at least two out of pasta pizza and burgers.
For the following questions answer them individually
Which of the following is/are rational number/numbers?
i. 0.67
ii. $$\sqrt{144}$$
iii. $$\sqrt{2}$$
iv. $$\sqrt{3}$$
Five colleagues A, B, C, D and E come to office by car pooling and start working at their desk at the exact same tune. They put their mobile phones on silent mode to avoid distractions and check their phones at fixed regular intervals for any important massage. The internal in which A, B, C, D and E check their phones are 45, 60, 30, 45 and 90 minutes, respectively. If they start working at 10 am, sharp, at what time will all of their be checking their respective phones together for the first time?
25% of a class of students take up extra curricular activities (ECA). They chose at least one option from music and sports. If 20% of ECA students chose both music and sports, and 50% of them opted for sports, what percentage of ECA students chose only music ?