Question
How many persons are there between P and
Z? Study the following information carefully and answer the question given below: There are eight people P, Q, R, S, W, X, Y and Z are living in a 8 floor Building on different floors from top to bottom (such as ground floor is numbered as 1 and top floor is numbered as 8) but not necessarily in the same order. W lives immediately above the floor on which R lives but not on an even numbered floor. S lives on the floor which is a prime number but not on the 3rd floor. X lives immediately below the floor on which Q lives. The person lives between P and R is not more than three and not less than two. P live on the topmost floor. There is one person living between the floors on which W and S lives. Z lives immediately above the floor on which Q lives.Solution
S lives on the floor which is a prime number but not on the 3rd floor. P lives on the topmost floor. W lives immediately above the floor on which R lives but not on an even numbered floor. There is one person living between the floors on which W and S lives. 
In CASE1 W live in even floor so CASE1 is cancelled out. The person lives between P and R is not more than three and not less than two. 
In CASE2A and CASE2B the person lives between P and R is more than three and less than two. So, CASE2A and CASE2B is cancelled out. Z lives immediately above the floor on which Q lives. X lives immediately below the floor on which Q lives 
In 2018, the income-to-expenditure ratio of Vishal was 5:3. The following year, his income increased by 10% while his expenditure rose by 15%. Determine...
What is the value of √25% =?
Raj saves Rs. 7500 more if he spends 60% of his income instead of 90%. Find the savings of Sanjay whose income is 30% more than that of Raj, and spends ...
- In a local election between two candidates, the winning candidate secured 72% of the total valid votes and won the election by a margin of 1800 votes. Find...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 40000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 30% of his...
In a given years, A sold 1600 caps while B sold 30% more number of caps than A and C sold 20% less number of caps than B. Find the ratio between the num...
In a school election for the position of president, two students were competing. Among the eligible voters, 80% participated by c...
The marks scored by a boy in three subjects are in the ratio 4 : 3 : 2. Boy scored an overall aggregate of 60% in the exam. If the maximum marks in each...
- A number is first increased by 18% and then decreased by 18%. The overall change in number is:
In an election contested between two candidates, 75% of the total voters in the city participated in voting, out of which 20% of ...
Relevant for Exams:
