Quantitative Aptitude – Mixed Questions Set 6

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Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample inÂ Simplification, Data Sufficiency and MiscellaneousÂ based on prelim pattern, which is common for SBI,IBPS, RBI,LIC, NICL and other competitive exams.
Q(1-5) In the following questions two equations numbered I & II are given. You have to solve both equations and mark one of the option given below.

1. Q(1-5) Find out the wrong number in the following series
22,10,8,11,20,49,96
1. 8
2. 11
3. 49
4. 96
5. 20
Explanation :
Solution:
22*0.5 â€“ 1 =10
10*1 â€“ 2 = 8
8*1.5 â€“ 1 = 11
11*2 â€“ 2 = 20
20*2.5 â€“ 1 = 49
49*3 â€“ 2 = 145

2. 8,19,188,573,1154,1159
1. 19
2. 188
3. 573
4. 1154
5. 1159
Explanation :
Solution:
(8+1)*5 = 45
(45+2)*4 = 188
(188+3)*3 = 573
(573+4)*2 = 1154
(1154+5)*1 = 1159

3. 5,17,37,73,113,143
1. 5
2. 17
3. 73
4. 113
5. 143
Explanation :
5+11+1 = 17
17+22-2 = 37
37+33+3 = 73
73+44-4 = 113
113+55+5 = 173

4. 15,17,25,65,145,295
1. 17
2. 25
3. 65
4. 145
5. 295
Explanation :
15+1Â²+1Â³ = 17
17+2Â²+2Â³ = 29
29+3Â²+3Â³ = 65
65+4Â²+4Â³ = 145
145+5Â²+5Â³ = 295

5. 10,10,22,4,84,16
1. 10
2. 22
3. 4
4. 84
5. 16
Explanation :
10+1 2 -1 3 = 10
10+2 2 +2 3 = 22
22+3 2 -3 3 = 4
4+4 2 +4 3 = 84
84+5 2 -5 3 = -16

6. A set of 11 pipes can fill 85% of a Tank in 8 min 30 sec. Another set of 9 pipes fills 4/9 of the Tank in 6 min 40 sec, a Third set of 8 pipes can empty 11/24 of the Tank in 8 min 15 sec. All the 28 Pipes are opened at 03:32 PM then the tank gets filled at what time?
1. 3:36 PM
2. 3:40 PM
3. 3:41 PM
4. 3:45 Pm
5. Cannot be determined
Explanation :
1/10+ 1/15 â€“ 1/18 = 1/9
9 minutes
03:32 + 9 min = 03:41

7. When Suresh was born, his father age was 27 years older than his Brother and his Mother was 24 years older than his Sister. If his Brother is 2 year is elder than his Sister.Then his Father is how many years older than his Mother after 6 years?
1. 4
2. 5
3. 6
4. 7
5. Cannot be determined
Explanation :
Sister age = x
Father age = x+29
Mother age = x+24
29-24 = 5

8. A cuboid of length 18 m, breadth 17 m and height 12 m is cut into two halves by cutting across the Length. Again it is cut into four halves by cutting across the Height. Now One cube is removed from them then what is total surface area of the remaining cuboid?
1. 1452 mÂ²
2. 1444 mÂ²
3. 1344 mÂ²
4. 1320 mÂ²
5. Cannot be determined
Explanation :
2*(18*17+17*12+12*18) â€“ 2(9*6) = 1344

9. Raju and Ramu can complete a work alone in 24 hours and 30 hours respectively, working 10Â hours a day. Every day there are two shits- Morning and Night Shift for 6 and 4 hours respectively. OnÂ first day Raju works in Morning shift while Ramu works in Night shift. Next day Ramu works in MorningÂ shift while Raju works in Night shift. They repeat the cycle until the work is completed. Then how many hours does Raju worked in total?
1.130
2.136
3.140
4.146
5.Cannot be determined
Explanation :
Day 1 : 6/240+4/300
Day 2 : 4/240 + 6/300
2 days work : 10/240 + 10/300 = 9/120
2*13 days work = 117/120
remaining work = 3/120
Now Rajuâ€™s turn in morning shift
3/120*240/6 =1(completes in his shift)
Total Raju Hourâ€™s = 13*6+13*4+6 =136

10. A man can cross a downstream river with Streamer and Boat in 40 minutes and 72 minutesÂ respectively. If the time of crossing Upstream by streamer is 50% more than Downstream time and theÂ time required by Boat in Upstream is 75% more than time required by it in Downstream. What is theÂ time taken for the man to cross the river downstream by streamer and then return to same place byÂ Boat half way and by streamer the rest of the way?
1. 113 minutes
2. 123 minutes
3. 133 minutes
4. 143 minutes
5. None