Question
Which of the following is a characteristic of the
acids?Solution
Explanation: Acids turn blue litmus paper red, have a sour taste, and release hydrogen ions in solution.
Present ages of P and Q are in the ratio 3:7 respectively. If Q’s age, 10 years hence from now will be 5 times of P’s age, 6 years ago from now, the...
Present age of A is 50% more than that of B. Present age of C, who is 6 years older than B, is 24 years. After how many years from now, ratio of ages of...
18 years ago the average age of a family of four members was 45 years. Two children were born in that span of 18 years. The present average age of the f...
Arjun is three years senior to Binny, who is twice as old as Chinu. If the average age of Arjun, Binny, and Chinu is 21 years, what is the age differenc...
Difference of ages of father and son is 24 years. Two years back age of father was twice the son's present age.
What is father's age now?
Pintu' is father of 'Qasim'. '2x' years ago from now, the age of 'Pintu' was four times the age of 'Qasim'. While, '2x' years hence from now, age of 'Pi...
When 15 years is subtracted from the present age of A and the obtained result is divided by 4, then the present age of his nephew is obtained. If the pr...
The present age of A is double of B's present age. C's present age is 3/5th of A's present age. Average age of A, B and C is 28 yrs. Find the present ag...
The ratio of age of Rahul 7 years ago to the age of Neha 7 years hence is 3:4. If the average of their present ages is 35 years, what is the difference ...
If the ratio of the ages of Karan and Saroj is 5 : 7. 8 years ago, the ratio of their ages was 2 : 3. Find the present age of Saroj?