Quantitative Aptitude Practice Question and Answer
8Q: The difference between two numbers is 45% of their summation. The ratio of the larger number to the smaller number will be- 3904 05d1b25021fc62311c7736a45
5d1b25021fc62311c7736a45- 120:9false
- 29:20false
- 329:11true
- 411:29false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "29:11"
Q: A complete a work at four times the speed than C. If together they can complete a work in 20 days, in how many days can A alone complete it? 3904 05d14898c9aeb0a08f1e6745a
5d14898c9aeb0a08f1e6745a- 125true
- 2100false
- 375false
- 480false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "25"
Q: In a class 60% of the students pass in English and 45% pass in Hindi. If 25% of them pass in both subjects, what percentage of the students fail in both the subjects? 3889 15b5cc601e4d2b4197774b440
5b5cc601e4d2b4197774b440- 120%true
- 225%false
- 330%false
- 415%false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "20%"
Explanation :
Answer: A) 20% Explanation: Percentage of students passed in English = 60% Percentage of students passed in Hindi = 45% Percentage of students passed in both subjects = 25% ATQ, Percentage of students passed in only English = 60 - 25 = 35% Percentage of students passed in only Hindi = 45 - 25 = 20% Therefore, Percentage of students failed = 100 - (35 + 25 + 20) = 100 - 80 = 20%.
Q: Two trains, one from Hyderabd to Bangalore and the other from Bangalore to Hyderabad, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is ? 3880 05b5cc6e0e4d2b4197774eb57
5b5cc6e0e4d2b4197774eb57- 13 : 4false
- 24 : 3true
- 32 : 3false
- 43 : 2false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "4 : 3"
Explanation :
Answer: B) 4 : 3 Explanation: Let us name the trains as A and B. Then, (A's speed) : (B's speed) = √b : √a = √16 : √9 = 4:3
Q: Length of train A is 50 % more than the train B coming from its opposite direction. Speed of train A is 40 km/hour and that of for train B is 32 km/hour and they took 15 sec time to cross each other. Find the length of train B 3880 05d15fa5c5fdb2c68495d9df9
5d15fa5c5fdb2c68495d9df9- 1150 metrefalse
- 2120 metrefalse
- 3130 metrefalse
- 4180 metretrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "180 metre"
Q: At 6′o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12′o clock ? 3879 05b5cc731e4d2b4197774f7ec
5b5cc731e4d2b4197774f7ec- 166 sectrue
- 255 secfalse
- 336 secfalse
- 424 secfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "66 sec"
Explanation :
Answer: A) 66 sec Explanation: For ticking 6 times, there are 5 intervals. Each interval has time duration of 30/5 = 6 secs At 12 o'clock, there are 11 intervals,so total time for 11 intervals = 11 x 6 = 66 secs.
Q: At the university entrance exam, a candidate is admitted according to whether he has passed or failed the test. Of the candidates who are really capable, 80 % pass the test and of the incapable, 30 % pass the test. Given that 40 % of the candidates are really capable, then the proportion of the really capable students who can pass the test to the total students who can pass is about ? 3869 05b5cc74ae4d2b4197774fa77
5b5cc74ae4d2b4197774fa77- 111/24false
- 21/5false
- 316/25true
- 46/5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "16/25"
Explanation :
Answer: C) 16/25 Explanation: If there are total 100 candidates, 40 candidates are really capable and 60 candidates are incapable.Of the candidates who are really capable = 80% 40*(80/100)=32 pass the test andof the incapable= 30%60*(30/100)=18 pass the test.Total candidates who passed the test = 32+18 = 50The proportion of the really capable students who can pass the test to the total students who can pass = 32/50 = 16/25.
Q: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3847 05b5cc6bee4d2b4197774d992
5b5cc6bee4d2b4197774d992- 16548false
- 25667false
- 37556true
- 48457false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "7556"
Explanation :
Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556