11). A cricketer scored some runs in his continuous 9 innings. He scored 100 runs in his 10 th innings and increases his average by 8 runs. What was the average of his runs at the end of 10 th innings?
| A). 20 |
| B). 24 |
| C). 28 |
| D). 32 |
|
12). Three year ago the average age of a family of five members was 27 years. The present average age is also 27 year after the inclusion of a child into the family. Find the age of the child
| A). 16 yr |
| B). 12 yr |
| C). 24 yr |
| D). 20 yr |
|
13). Average weight of three boys P, T R is \( \large 54 \frac{1}{3} kg\), while the average weight of three boys T, F and G is 53 kg. What is the average weight of P, T, R, F and G?
| A). 53.8 kg |
| B). 52.4kg |
| C). 53.2 kg |
| D). Cannot be determined |
|
14). The average run scored by cricketer in 42 innings is 30. The difference between his maximum and minimum scores in an innings is 100. If these two innings are not taken into consideration, then the average score of the remaining 40 innings is 28. Calculate the maximum runs scored by him in an innings?
| A). 125 |
| B). 120 |
| C). 110 |
| D). 100 |
|
15). If x + y + z = 13, then the maximum value of (x - 2 )(y + 1)(z - 3) is
| A). 25 |
| B). 30 |
| C). 54 |
| D). 27 |
|
16). A car reached Raipur from Somgarh in 35 mins with an average speed of 69Km/hr. If the average speed is increased by 36 Km/hr, how much time will it take to cover the same distance?
| A). 24 min |
| B). 27 min |
| C). 23 min |
| D). 29 min |
|
17). 3 yr ago, the average age of a family of 5 members was 17 yr. Even after a birth of a child, the average is same today. Find out the age of the child
| A). 1 yr |
| B). 3 yr |
| C). 2.5 yr |
| D). 2 yr |
|
18). The average age of three boys is 15 yr. If the ratio of their ages is 3 : 5 : 7, what is the age of the oldest boy?
| A). 7 year |
| B). 14 year |
| C). 20 year |
| D). 21 year |
|
19). The average weight of 60 students in a class was calculated to be 40 kg. Later, it was found out that the weight of one of the students was calculated as 36 kg. Whereas his actual weight was 33 kg. What is the actual average weight of the students in the class?
| A). 39.90 kg |
| B). 39.95 kg |
| C). 39 kg |
| D). 38 kg |
|
20). A person bought some oranges worth Rs.36 from each of the five markets at Rs.1, Rs.1.50, Rs. 1.80, Rs.2 and Rs 2.25 per orange respectively. What is the average price of an orange?
| A). RS. 1.91 |
| B). RS. 2.00 |
| C). RS. 1.58 |
| D). RS. 1.80 |
|
