Maths Practice Question and Answer
8 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.
4724 15d68fc9a4130032e96a60fe4
5d68fc9a4130032e96a60fe4- 134false
- 2170/3false
- 385false
- 451true
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Answer : 4. "51"
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?
4714 05e8ff35ff681623fa55ff3af
5e8ff35ff681623fa55ff3af- 11: 2false
- 21: 3false
- 31: 1false
- 45: 9false
- 55: 4true
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Answer : 5. "5: 4"
Q: In the given figure, ABC is an equilateral triangle. Two circles of radius 4 cm and 12 cm are inscribed in the triangle. What is the side (in cm) of an equilateral triangle?
4714 05f2cf85721de6a117aefed9a
5f2cf85721de6a117aefed9a- 1$$ {32\over \sqrt{3}}$$false
- 2$$ {64\sqrt{3}}$$false
- 3$$ {32\sqrt{3}}$$false
- 4$$ {24\sqrt{3}}$$true
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Answer : 4. " $$ {24\sqrt{3}}$$"
Q: The average of all prime numbers 21 to 50 is (round off to one decimal number)
4700 05dcd4384f50c4b23b08334c1
5dcd4384f50c4b23b08334c1- 135.9true
- 234.8false
- 333.7false
- 432.9false
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Answer : 1. "35.9 "
Q:What will come in place of the question mark (?) in each of the following series?
6 13 38 ? 532 2675
4671 05e4d0759dfffd759fd0ca4a7
5e4d0759dfffd759fd0ca4a7- 1129true
- 2123false
- 3172false
- 4164false
- 5None of thesefalse
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Answer : 1. "129 "
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. 4611 05d10905f406b950bb95b0dcc
5d10905f406b950bb95b0dcc- 12√41 mtrtrue
- 23√41 mtrfalse
- 32√42 mtrfalse
- 42√41 mtrfalse
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Answer : 1. "2√41 mtr "
Explanation :
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Q: if 5432*7 is divisible by 9, then the digit in place of * is :
4578 15d6900b84130032e96a61204
5d6900b84130032e96a61204- 10false
- 21false
- 36true
- 49false
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Answer : 3. "6"
Explanation :
Q: Ramesh and Dinesh can complete a work in 15 and 20 days respectively. Ramesh started working but after 5 days Dinesh replaced Ramesh. Find the share of Dinesh in Rs 15000 4542 05d1491b097a68b089a7aa717
5d1491b097a68b089a7aa717- 1Rs 5000false
- 2Rs 9000false
- 3Rs 10000true
- 4Rs 8000false
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