Quantitative Aptitude Practice Question and Answer
8Q: Find the next number in the series 14, 916, 2536,...... 2818 05b5cc771e4d2b4197774ffcb
5b5cc771e4d2b4197774ffcb- 14981false
- 26481false
- 34964true
- 46449false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "4964"
Explanation :
Answer: C) 4964 Explanation: The pattern is 12 22, 32 42, 52 62, ∴The next number= 72 82= 4964
Q: Find the next number in the series 141,137,146,130,155,119,... 3916 05b5cc771e4d2b4197774ffc1
5b5cc771e4d2b4197774ffc1- 1147false
- 2168true
- 3162false
- 4182false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "168"
Explanation :
Answer: B) 168 Explanation: The pattern is -4, +9,-16, +25, -36 The next number=119+49=168
Q: Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ... 5148 05b5cc771e4d2b4197774ffc6
5b5cc771e4d2b4197774ffc6- 126false
- 216false
- 317true
- 418false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "17"
Explanation :
Answer: C) 17 Explanation: The pattern is 32+42=52, 52+122=132, 72+242=252 The next number = 82+152=172 i.e. 17
Q: In a competitive examination, the average marks for the entire examination was 60 marks. If 20% of the applicants scored 85 marks and 25% scored 95 marks. What was the average marks of the remaining applicants in the examination ? 1234 05b5cc76fe4d2b4197774ff7b
5b5cc76fe4d2b4197774ff7b- 160false
- 252false
- 345false
- 435true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "35"
Explanation :
Answer: D) 35 Explanation: Let the total applicants be 100 Then, 20% got 85 marks i.e 20 x 85 = 1700 and 25% got 95 marks i.e 25 x 95 = 2375 Now, the remaining applicants are 55 and let the average marks scored by them be x. Therefore, 2375 + 1700 + 55x = 60×100 6000 - 4075 = 55x 55x=1925 x=35.
Q: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1304 05b5cc76fe4d2b4197774ff71
5b5cc76fe4d2b4197774ff71- 150 daystrue
- 248 daysfalse
- 347.5 daysfalse
- 449 daysfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "50 days"
Explanation :
Answer: A) 50 days Explanation: 50 men can build a tank in 40 days Assume 1 man does 1 unit of work in 1 day Then the total work is 50×40 = 2000 units 50 men work in the first 10 days and completes 50×10 = 500 units of work 45 men work in the next 10 days and completes 45×10 = 450 units of work 40 men work in the next 10 days and completes 40×10 = 400 units of work 35 men work in the next 10 days and completes 35×10 = 350 units of work So far 500 + 450 + 400 + 350 = 1700 units of work is completed and Remaining work is 2000 - 1700 = 300 units 30 men work in the next 10 days. In each day, they does 30 units of work. Therefore, additional days required = 300/30 =10 Thus, total 10+10+10+10+10 = 50 days required.
Q: Karthik read 613 th of a book in 1st week and 59 th of the remaining book in 2nd week. If there were 100 pages unread after 2nd week, how many pages were there in the book ? 1997 05b5cc76fe4d2b4197774ff76
5b5cc76fe4d2b4197774ff76- 1404false
- 2415false
- 3418true
- 4420false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "418"
Explanation :
Answer: C) 418 Explanation: Let the total book be 1 Then, in the 1st week 613th of book is read i.e remaining pages = 1-613=713 in 2nd week he read 59th of it i.e 59×713=35117Remaining pages after 2nd week = 713-35117=28117 But given remaining pages after 2nd week = 100 28x117=100 --> x = 418 The total pages in the book are 418
Q: After working for 8 days, Arun finds that only 13 rd of the work has been done. He employs Akhil who is 60% as efficient as Arun. How many days more would Akhil take to complete the work? 1302 05b5cc76fe4d2b4197774ff67
5b5cc76fe4d2b4197774ff67- 124.5 daysfalse
- 226.6 daystrue
- 325 daysfalse
- 420 daysfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "26.6 days"
Explanation :
Answer: B) 26.6 days Explanation: Arun has completed 13rd of the work in 8 days Then he can complete the total work in 13 ---- 8 1 ---- ? = 24 days But given Akhil is only 60% as efficient as Arun Akhil =124×60100=140 Akhil can complete the total work in 40 days Now, remaining 2/3rd of work can be completed in 1 ------ 40 23 ------ ? = 26.66 days.
Q: Find the next number in the series 125, 80, 45, 20, .... 2024 05b5cc76fe4d2b4197774ff5d
5b5cc76fe4d2b4197774ff5d- 15true
- 215false
- 3-5false
- 410false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "5"
Explanation :
Answer: A) 5 Explanation: The pattern is -45, -35, -25, -15 The next number = 20-15= 5