Question
In a city, the number of persons travelling by bike is
92.5% the number of persons travelling by metro. The number of persons travelling on foot is 75% the number of persons travelling by bike. If 800 persons travel by metro, then how many persons travel on foot?Solution
Number of persons travelling by bike = 800 × (92.5/100) = 740 Number of persons travelling by walk = 740 × (75/100) = 555
A club has 6 men and 5 women. How many committees of 5 have at least 2 women?
Five articles out of which 3 are cups and rest are glasses have to be arranged on a shelf. Find the number of ways of arrangement in which all three cup...
Akshay has 7 relatives, 3 males and 4 females. His wife twinkle also have 7 relatives, 3 females and 4 males. In how many ways can they invite 3 male an...
In how many ways can the letters of the word ‘MEDICAL’ be rearranged so that the vowels never come together?
An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he...
Simplify: 2(x+1) × 8(x−2) = 64. Find x.
- A team of 10 members is to be formed from 9 engineers and 6 doctors. Find the number of ways the team can be formed with at least 8 engineers.
A team of 8 players is to be selected from a group of 7 junior players and 6 senior players. In how many ways a team having at least 6 junior players ca...
Find the number of ways to arrange each letter of the word 'AGRICULTURE' such that all the vowels always come together.
How many 6-digit numbers can be formed from the digits 0,3,4,5,6 and 8, in which the digits are not repeated?