Question
In a city, the average rainfall for the first five days of
a week was 98 cm, while the average rainfall for the last five days was 105 cm. If the average rainfall for the entire week was 102 cm, determine the rainfall on the fifth day of the week.Solution
ATQ,
Total rainfall for the first five days = 98 × 5 = 490 cm
Total rainfall for the last five days = 105 × 5 = 525 cm
Total rainfall for the whole week = 102 × 7 = 714 cm
Rainfall on the fifth day = {(490 + 525) – 714} = 301 cm
If 15 × 14 × 13 ×…× 3 × 2 ×1 = 3m × n
where m and n are positive integers, then what is the maximum value of m?
...What is the value of X' in the sequence 2, 7, 22, 67, 202, X, 1822 ?
The letters A, B, C, D and E are arranged in such a way that there are exactly two letters between A and E. How many such arrangements are possible?
24 men and 12 women can do a piece of work in 30 days. In how many days can 12 men and 24 women do the same piece of work?
A pie chart gives the expenditure on five different items A, B, C, D and E in a household. If B, C, D and E correspond to 90°, 50°, 45° and 75° res...
On a chess board, in how many different ways can 6 consecutive squares be chosen on the diagonals along a straight path ?
There are two containers X and Y. X contains 100 ml of milk and Y contains 100 ml of water. 20 ml of milk from X is transferred to V. After mixing well...
Two Statements followed by four Conclusions are given below. You have to take the tatements to be true even if they seem to be at variance from the com...
Consider two Statements and four Conclusions given below. You have to take the Statements to be true even if they seem to be at variance from the commo...
When a certain number is multiplied by 7, the product entirely comprises ones only (1111…..). What is the smallest such number ?
Relevant for Exams:
