Question
Calculate the total number of tiles needed to completely
cover a rectangular floor that measures 132 meters by 125 meters. Each tile has dimensions of 250 centimeters by 160 centimeters.Solution
Area of the floor = (132 × 125) m2 Area of each tile = (250 × 160) cm2 = (2.5 × 1.6) m2 Let the number of tiles required be ‘N’ According to the question, N × (2.5 × 1.6) = 132 × 125 Therefore, N = (132 × 125)/(2.5 × 1.6) = 4125 Hence, option b.
- If the 4-digit number p89q is exactly divisible by 9, what is the least value of (p + q)?
Determine the highest power of 2 present in the given expression:
Find the average of first 24 whole numbers.
When the digits of a two-digit number are interchanged, the new number becomes 5 less than 150% of the original number. If the sum of the digits is 10, ...
When a number is divided by 35 remainder is 23. Find the remainder when three times of the same number is divided by 35.
- Find the interval of x where the expression 21x - 3x² - 54 is greater than zero.
Determine the least two-digit number that gives a remainder of 5 when divided by 5 and 8.
Find the difference between minimum and maximum value of 'c' such that '5c4632' is always divisible by 3.
There are three numbers 'a', 'b' and 'c' (a < b < c) such that 'b' is equal to the average of 'a' and 'c'. 70% of 'c' is equal to 'a' and the difference...
- Determine the smallest perfect square that is exactly divisible by 9, 15, 20, and 35. Then, find the remainder when this perfect square is divided by 88.
Relevant for Exams:
