Question
Litmus paper, used to test pH levels, is derived from
which organism?Solution
Litmus paper is created using dyes extracted from lichens. It is an essential tool in chemistry for determining the acidic or basic nature of substances, changing color based on the pH level of the solution it is exposed to.
There are 100 students in a particular class. 55% students play rugby, 30 % play basketball and 15% play both the games. What is the number of students ...
In a given years, A sold 1600 caps while B sold 30% more number of caps than A and C sold 20% less number of caps than B. Find the ratio between the num...
In a company, there are either male or female employees. There are x% male employees in the company. The number of female employees that are skilled are...
Monthly income of A is Rs. 85000 out of which he spent 25%, 18% and 24% of his total income in rent, medicine and transportation, respectively. Find his...
A man invested all his current month income in starting of a new business in which he spends 30% in advertisement 15% of remaining in furniture 20% of r...
On Wednesday, the price of tomatoes increased by x% as compared to Tuesday and the price of tomatoes decreased by x/2% on Tuesday as compared to Monday....
J's salary is 35% less than V's salary, then how much percent more or less is J's salary compared to G's salary, given that G's s...
- When 120 is added to a number, it becomes 250% of that number. Find 20% of the original number.
The marks obtained by A is 60% more than B, and the marks obtained by C is 180 more than the difference of A and B. If C obtained 330 marks, then find t...
The value of A’s car is depreciating by 35% every year whereas the value of his house is appreciating by 12% each year as compared to the previous yea...
Relevant for Exams:
