Question
Which of the following pairing denoting the mixture of
gases in air is NOT correct?Solution
Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Air is a mixture of different gasses like N2 (78%), O2(21%), argon (1%), carbon CO2 (0.03%), and water vapor .
Find the smallest 4-digit number which when divided by 10, 15, 20, 25, 30 leaves remainder 9.
Which of the following numbers is divisible by 11?
If ‘48b297a54’ is a nine digit number which is divisible by ‘11’, then find the smallest value of (a + b).
A number when divided by 45 leaves a remainder 21. What will be the remainder when the square of the same number is divided by 45?
The difference between two numbers is 3820. When a larger number is divided by a smaller number, the quotient and remainder are 32 and 7 respectively. F...
. Which of the following numbers is divisible by 24?
When a number is divided by 19, the quotient is 145, and the difference between the quotient and the remainder is 134. Find the number.
If '5731x7' is a six-digit number which is divisible by 33, then calculate the value of 'x'.
An eight-digit number, 81x3y72 is divisible by 72. Find the maximum possible value of x + y.
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