Question
P, Q, R, S, T, U, and V live on seven different floors
of the same building. The lowermost floor in the building is numbered 1, the floor above it is number 2, and so on till the topmost floor is numbered 7.Q lives on floor number 2.R lives on the floor immediately above U’s floor. S is on the floor immediately below V’s floor. Only three persons live between the floors of T and P. R lives on the topmost floor. Only one person lives between the floors of R and P. On which floor does P live?Solution
The 5th term of an AP is 23 and the 12th term is 51. Find the 20th term.
If the median and mode of a data set are 6 and 12 respectively, then find the mean of the data.
The current age of Anupama is 25% greater than Chinky's age. Four years ago, the ages of Beena and Chinky were in the ratio of 4:...
A total of Rs. 558 was distributed among P, Q, R, S, T, and U. The amounts they received were in descending order and formed an arithmetic progression. ...
[16 × 15 + 224 × 5] ÷ 5 = ? × 4
The sum of first 'n' natural numbers is 465. Find 'n'.
The 4th term of an AP is 17 and the 9th term is 42. Find the sum of the first 20 terms.
The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
If the angular diameter of the sun is 20, how far from the eye a coin of radius 3.3 cm be kept to hide the sun?
A spent 36% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 25% and 40% to his mother and brother, respec...