131). Pipe A and B can fill a tank in 10 hours and 8 hours respectively. After certain time, pipe A was closed. It took a total of 6 hours to fill the tank completely. For how many hours did pipe A work ?
| A). \(\large 4 \frac{1}{4} \) |
| B). \(\large 2 \frac{1}{2} \) |
| C). \(\large 3 \frac{1}{3} \) |
| D). \(\large 5 \frac{1}{3} \) |
| E). \(\large 6 \frac{1}{2} \) |
|
132). Kajal spends 55% of her monthly income on grocery, clothes and education in the ratio of 4 : 2 : 5 respectively. If the amount spent on clothes is Rs.5,540/-, what is Kaial's monthly income?
| A). Rs.55,400/ |
| B). Rs.54,500/ |
| C). Rs.5,540/ |
| D). Rs.55,650/ |
| E). Rs.55,450/ |
|
Directions (133-137) : What will come in place of question mark (?) in the given number series?
|
133). 15 29 56 108 208 400 ? .
| A). 758 |
| B). 770 |
| C). 784 |
| D). 768 |
| E). 778 |
|
134). 13 -21 34 -55 89 -144 ?
| A). 233 |
| B). 255 |
| C). 244 |
| D). 266 |
| E). 222 |
|
135). 133 183 241 307 381 463 '?'
| A). 557 |
| B). 521 |
| C). 553 |
| D). 541 |
| E). Other than those given as options |
|
136). 1.21 1.44 1.69 1.96 2.25 2.56 ?
| A). 3.61 |
| B). 2.35 |
| C). 3.24 |
| D). 2.94 |
| E). Other than those given as options |
|
137). 36 52 70 90 112 136 ?
| A). 150 |
| B). 152 |
| C). 162 |
| D). 140 |
| E). Other than those given as options |
|
138). A committee of five members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways this can be done if the committee should have all the 4 Professors and 1 research associate or all 3 trainees and 2 Professors?
| A). 15 |
| B). 18 |
| C). 25 |
| D). 12 |
| E). Other than those given as options |
|
139). A 20 litre mixture contains milk and water in the respective ratio of 3 : 2. If 10 litre of the mixture is removed and replaced with pure milk and the operation is repeated once more. At the end of the two removals and replacement, what is the ratio of milk and water in the resultant mixture respectively?
| A). 17:3 |
| B). 9:1 |
| C). 4:17 |
| D). 5:3 |
| E). 3:14 |
|
140). A trader marks up his goods by 50%. However, he could sell only one-third of his stock at this price. The half of the remaining stock was sold at a discount of 7.14% and the remaining at a discount of 16.67%. Find the overall percentage profit of the trader.
| A). 38% |
| B). 42% |
| C). 29% |
| D). 34% |
| E). 40% |
|
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