31). A man can row 24 km upstream and 54 km downstream in 6 hours. He can also row 36 km upstream and 48 km downstream in 8 hours. What is the speed of the man in still water?
| A). 18.75 km/h |
| B). 19.25 km/h |
| C). 17.65 km/h |
| D). 15.55 km/h |
| E). 22.75 km/h |
|
32). The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is \( \Large \frac{6}{5} \), what is the original fraction ?
| A). \( \Large\frac {22}{5} \) |
| B). \( \Large \frac{24}{5} \) |
| C). \( \Large \frac{27}{6}\) |
| D). \( \Large \frac{28}{5}\) |
| E). \( \Large \frac{30}{11} \) |
|
33). What would be the area of a rectangle whose area is equal to the area of a circle of radius 7cm?
| A). 77 cm\( \Large ^{2} \) |
| B). 154 cm\( \Large ^{2} \) |
| C). 184 cm\( \Large ^{2} \) |
| D). 180 cm\( \Large ^{2} \) |
| E). 150 cm\( \Large ^{2} \) |
|
34). In a village, three people contested for the post of Village Pradhan. Due to their own interest, all the voters voted and no one vote was invalid. The losing candidate got 3000 votes. What could be the minimum absolute margin of votes by which the winning candidate led by the nearest rival, if each candidate got an integral percent of votes?
| A). 4 |
| B). 2 |
| C). 1 |
| D). 3 |
| E). None of these |
|
35). The price of an article is first increased by 2000 and later on decreased by 2500 due to reduction in sales. Find the net percentage change in final price of article.
| A). 20% |
| B). 18% |
| C). 38% |
| D). 10% |
| E). None of these |
|
| Directions (36-40): What will come in the place of question mark (?) in the following number series? |
36). 48, 23, ?, 4.25, 1.125
| A). 10.5 |
| B). 10 |
| C). 2.5 |
| D). 11 |
| E). None of these |
|
37). 2, 15, 41, 80, 132, ?
| A). 197 |
| B). 150 |
| C). 178 |
| D). 180 |
| E). None of these |
|
38). ?, 15, 75, 525. 4725, 51975
| A). 5 |
| B). 10 |
| C). 8 |
| D). 6 |
| E). None of these |
|
39). 4, 19,49,?, 229
| A). 75 |
| B). 109 |
| C). 65 |
| D). 169 |
| E). None of these |
|
40). 840, ?, 420, 140, 35, 7
| A). 408 |
| B). 840 |
| C). 480 |
| D). 804 |
| E). None of these |
|
