Question
A man spends 20% and 22% of his monthly salary on rent
and transportation, respectively. Out of the remaining money, he spends 34% on food and 49% on entertainment. If he saves Rs. 1972, then find his monthly salary.Solution
Let the monthly salary of the man be Rs. βxβ. Money spent on rent and transportation = (20 + 22)% of x = Rs. 0.42x Remaining money = (x β 0.42x) = Rs. 0.58x Money spent on food and entertainment = (34 + 49)% of 0.58x = Rs. 0.4814x Remaining money left = 0.58x β 0.4814x = 0.0986x So, 0.0986x = 1972 x = Rs. 20000
If the average of two numbers is 13 and the square root of their product is 12, then the difference between the numbers is:
What is the smallest natural number that should be added to 1030 so that the square root of the sum is a natural number?
A horse is tethered to a peg fixed at one corner of a rectangular grass field measuring 45 metres in length and 25 metre...
Determine the value of (0.88)2Β
Find the square root of 0.0324.
Two times a number, added to the square of that number, gives 3. What could be the possible answer for this number?
Find the Square root of β14641
Calculate the lateral surface area of a right circular cone having a radius of 5 cm and a height of 12 cm.
Find the value of β 474552
Solve the following :-