In a seminar. the number of participants in Hindi, English and Mathematics are 60,84 and 108 respectively. Find the minimum number of rooms required if, in each room the same number of participants are to be seated and all of them being in the same subject.

In a group there are 21 childrens, 35 ladies and 49 gents. They all want to stay in same hotel. Find the minimum number of rooms required for their stay so that in each room equal number of members stay with the condition that children, female and male stay in separate rooms.

For complete combustion of 1 mole of each propane and butane. Find sum of minimum number of moles of O_2 required

The bar graph shown in Figure represents the circulation of newspapers in 10 languages What is the total number of newspapers published in Hindi, English, Urdu, Punjabi and Bengali? What percent is the number of news papers published in Hindi of the total number of newspapers? Find the excess of the number of newspapers published in English over those published in Urdu. Name two pairs of languages which publish the same number of newspapers. State the language in which the smallest number of newspapers are published State the language in which the largest number of newspapers are published State the language in which the number of newspapers published is between 2500 and 3500. State whether true or false: The number of newspapers published in Malayalam and Marathi together is less than those published in English. The number of newspapers published in Telugu is more than those published in Tamil.

The marks obtained by a student of Class XI in first and second terminal examination are 62 and 48, respectively. Find the number of minimum marks he should get in the annual examination to have an average of at least 60 marks.

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of ways in which six persons can be seated at a round table, so that all shall not have the same neighbours n any two arrangements.

Find the number of numbers of six digits that can be formd with the digits 1,2,3,4 if all the digits are to asppear in the same number at least once.

In a single throw of three dice , find the probability of getting the same number on all the dice

three identical dice are rolled . Find the probability that the same number will appear on each of them .

There are 156, 208 and 260 students in group A, B and C respectively . Buses are to be hired to take them for a field trip. Find the minimum number of buses to be hired, if the same number of students should be accommodated in each bus and separate bus for separate group is needed.