Quantitative Aptitude
The current average age of a family of five members is 24. If the present age of the youngest member in the family is 8 years, what was the average age of the family members just before the birth of this youngest member?
The following bar chart shows the number of matches played by a team in 6 consecutive years .
The number of matches played in Y7 will be equal to the average number of matches played in Y3 and Y 4. The number of matches played in Y8 will be 20% more than the number of matches played in Y7. How many matches will be played by the team in Y8?
The following pie chart shows the number of cups sold by each of 7 different shops during a given period of time as percentages of the total number of cups sold by these 7 shops taken together during the above-mentioned time period.
If the number of cups sold by S6 during this period is 165, then how many cups in total are sold during this period by all these 7 shops taken together?
The length of each side of a square is twice the radius of a circle. If the radius of the circle is 7 cm, then what is the difference between the areas of the square and the circle? [Use π = 22/7]
A solution of 45% alcohol is mixed with a solution of 60% alcohol in the ratio of 2 : 3. In what ratio should the resultant solution be mixed with a 72% alcohol solution to get a 66% alcohol solution?
The value of a stone is proportional to the square of its weight. A stone worth ₹1,20,000 is broken into two pieces in the ratio of 2 : 3. What is the total price of the two small stones?
The traffic lights at 3 different road crossings change after every 48 sec, 72 sec and 108 sec, respectively. If they all change simultaneously at 8:20 a.m., then at what time will they next change again simultaneously?
