Maths Practice Question and Answer
8 Q: A man rows to a place 35 km in distance and back in 10 hours 30 minutes. He found that he can row 5 km with the stream in the same time as he can row 4 km against the stream. Find the rate of flow of the stream?
4982 05f23edc41436461f6a2f678f
5f23edc41436461f6a2f678f- 11.33 km/hrfalse
- 21.5 km/hrfalse
- 31 km/hrfalse
- 40.75 km/hrtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "0.75 km/hr"
Q: Three vessels contain alcoholic solutions with the concentrations of alcohol as 0.25, 0.5 and 0.75 respectively. 4 litres from the first, 6 litres from the second and 8 litres from the third are mixed. What is the ratio of alcohol and water in the resultant mixture?
4966 05e8ff35ff681623fa55ff3af
5e8ff35ff681623fa55ff3af- 11: 2false
- 21: 3false
- 31: 1false
- 45: 9false
- 55: 4true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 5. "5: 4"
Q: Ajay bought Rs.11,000 from a bank to buy a car at 12% simple Interest. If he paid Rs 6,600 as interest while clearing the loan, find the time for which the loan was given.
4966 05e842dbd41a4013349c149b6
5e842dbd41a4013349c149b6- 13 yearfalse
- 24 yearfalse
- 35 yeartrue
- 46 yearfalse
- 5None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "5 year"
Q: The average of all prime numbers 21 to 50 is (round off to one decimal number)
4942 05dcd4384f50c4b23b08334c1
5dcd4384f50c4b23b08334c1- 135.9true
- 234.8false
- 333.7false
- 432.9false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "35.9 "
Q: Ratio of length, breath and height of a room is 5:4:2. Area of four wall is 144 square meter. Find diagonal of the floor. 4928 05d10905f406b950bb95b0dcc
5d10905f406b950bb95b0dcc- 12√41 mtrtrue
- 23√41 mtrfalse
- 32√42 mtrfalse
- 42√41 mtrfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "2√41 mtr "
Explanation :
undefined
Q: A rod of length 85 m is divided into two parts if the first part of the rod is 2/3 of the second part then the larger part (in metres) is.
4924 15d68fc9a4130032e96a60fe4
5d68fc9a4130032e96a60fe4- 134false
- 2170/3false
- 385false
- 451true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "51"
Q: 30 oranges and 75 apples were purchased for Rs 510 If the price per apple was 2 then the average price of orange was?
4872 063285afb8146e66c29925ab4
63285afb8146e66c29925ab4- 1Rs 10false
- 2Rs 15false
- 3Rs 12true
- 4Rs 14false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Rs 12"
Q: Ratan can complete a work in \(5 {1 \over 2}\) days while Rupesh can complete it in \(10 {1 \over 2}\) days. In how many days can they both complete it working on it together? 4841 25d147c239aeb0a08f1e67215
5d147c239aeb0a08f1e67215- 1\(3 {39 \over 64 }\)true
- 2\(4 {39 \over 64 }\)false
- 3\(5 {39 \over 64 }\)false
- 4\(6 {39 \over 64 }\)false
- Show AnswerHide Answer
- Workspace
- SingleChoice