41). When two dice are thrown, find the probability to get total of 6.
| A). \( \Large \frac{1}{3} \) |
| B). \( \Large \frac{2}{3} \) |
| C). \( \Large \frac{5}{36} \) |
| D). \( \Large \frac{7}{36} \) |
|
42). When two dice are thrown together, the probability of getting a total 4 or 9 is
| A). \( \Large \frac{3}{36} \) |
| B). \( \Large \frac{7}{36} \) |
| C). \( \Large \frac{2}{18} \) |
| D). \( \Large \frac{9}{36} \) |
|
43). In a bag, there are 6 red balls, 4 blue balls and 5 white balls. If a ball is taken on equal chance. Find the probability to get a ball in red or blue colour.
| A). \( \Large \frac{1}{3} \) |
| B). \( \Large \frac{4}{3} \) |
| C). \( \Large \frac{5}{3} \) |
| D). \( \Large \frac{2}{3} \) |
|
44). In a bag, there 9 white balls, 6 yellow balls and 5 green balls. lf a ball is taken on equal chance. Find the probability to get a ball which is not yellow?
| A). \( \Large \frac{7}{10} \) |
| B). \( \Large \frac{6}{14} \) |
| C). \( \Large \frac{1}{4} \) |
| D). \( \Large \frac{9}{20} \) |
|
45). In a basket, there are 52 playing cards. Then the probability to get the spade card is
| A). \( \Large \frac{1}{2} \) |
| B). \( \Large \frac{1}{4} \) |
| C). \( \Large \frac{1}{6} \) |
| D). \( \Large \frac{2}{3} \) |
|
46). The mean and median of a certain value are 2. 5 and 3 respectively. Then the mode of the variation is
| A). 2 |
| B). 3 |
| C). 3.5 |
| D). None of these |
|
47). The median of 100, 110,125, 128, 113, 115, 135 is
| A). 115 |
| B). 128 |
| C). 117.5 |
| D). None of these |
|
48). Which two series of the following three series have the same mode?
1) 5 8 8 13 9 128 2) 8 12 6 8 10 87 3) 9 8 14 9 12 98
| A). series 1 and series 2 |
| B). series 1 and series 3 |
| C). series 2 and series 3 |
| D). None of these |
|
49). The type of average that can be used to find out the average rate of speed is
| A). Harmonic mean |
| B). Geometric mean |
| C). Arithmetic mean |
| D). Median |
|
50). The heights of eight six year old boys are given below
Height in cms. 80, 81, 83, 81, 78, 80, 79, 81
The mode is
| A). 81 |
| B). 79 |
| C). 78 |
| D). 76 |
|
