Question
Chemical equation is balanced according to the law
ofSolution
The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. This principle is used to balance chemical equations so that the number of atoms of each element remains the same on both sides of the equation.
Determine the time taken by a pipe R to empty a water tank.
Statement I: Pipe P and pipe Q can fill a water tank in 6 hou...
What is three digit number having each digit different from the other?
I. Each of the digits of the given number is a multiple of 2.
...
In an 800-meter race involving 'Amit', 'Bhanu', and 'Chinky', calculate the distance 'Amit' was ahead of 'Chinky'.
Statement I : 'Amit' finishes...
There are 7 people in a group. Average age of the group decreases by 5 when two more people join the group. Find the average age of the new group.
<...A group of students from two schools, M and N, were surveyed to find out their preferences for three subjects: Mathematics, Science, and English. The nu...
What is the area of the square?
I. The diagonal of the square is the 6√3m.
II. The perimeter of the square is 48m.
In a partnership business of A, B and C, what profit did B get at the end of 2 years?
I. A and B started the business by the investing in ratio 2...
What is the marked price of the furniture?
Statement I: A storekeeper marks his furniture 20% above the cost price and he allows 8(1/3)% discoun...
The cost price of an article is Rs. 600. How much profit did a trader get by selling the article, if it was sold at 15% discount?
I:Â The trader ...
What is the profit percentage earned on the mobile?
Statement I: 50% of the sum of the selling prices of the mobile and TV is Rs. 5400 more than ...