Maths Practice Question and Answer
8 Q:Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. x² + 13x + 42 = 0
II. y² – 2y - 63 = 0
440 064dcc2e04e4237f6c98a6515
64dcc2e04e4237f6c98a6515II. y² – 2y - 63 = 0
- 1x > yfalse
- 2x < yfalse
- 3x ≥ yfalse
- 4x ≤ yfalse
- 5x = y or the relationship between x and y cannot be established.true
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Answer : 5. "x = y or the relationship between x and y cannot be established."
Q: Length of train A is half as that of train B. Train A and B crosses the platform of length 100 meters in 5 seconds and 6 seconds respectively. If the ratio of speed of train A and B is 2 : 3, Find the length of train B.
801 064dcc1329b618cf631e9de44
64dcc1329b618cf631e9de44- 1450 mfalse
- 2800 mtrue
- 3600 mfalse
- 4900 mfalse
- 5750 mfalse
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Answer : 2. "800 m"
Q: A vessel contains some mixture of Water and Alcohol in the ratio 2 ∶ 1. 12 liters of mixture is removed and replaced with water and the final ratio becomes 4: 1. What is the amount of Alcohol in the initial Mixture?
819 064dcbef39b618cf631e9d8dc
64dcbef39b618cf631e9d8dc- 112 litresfalse
- 215 litresfalse
- 320 litresfalse
- 410 litrestrue
- 512.5 litresfalse
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Answer : 4. "10 litres"
Q: A started the business with the investment of Rs. 36000. B and C joined him with some investments after 3 and 6 months. The profit is divided in the ratio of 2 ∶ 3 ∶ 5 at the end of the year. Find the difference between the investment made by B and C in the business.
780 064dcbfcad4a4292bfff43ebd
64dcbfcad4a4292bfff43ebd- 1Rs. 72000false
- 2Rs. 90000false
- 3Rs. 81000false
- 4Rs. 120000false
- 5Rs. 108000true
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Answer : 5. "Rs. 108000"
Q: The difference between the compound interest (compounded annually) and simple interest on a sum of money deposited for 2 years at 5% per annum is Rs. 15. What is the sum of money deposited?
603 064dcbe5a462ecdc3adb4aa4c
64dcbe5a462ecdc3adb4aa4c- 1Rs. 6,000true
- 2Rs. 4,800false
- 3Rs. 3,600false
- 4Rs. 2,400false
- 5Rs. 3,400false
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Answer : 1. "Rs. 6,000"
Q: P can do a task in 30 days, Q is 50% more efficient than P, R can do the same work in 10 days less than Q if R and Q start task together and after X days they left the task and P completed the remaining task in (X + 8) days. then find the value of X?
755 064dcbde3d02c5c746bf5be90
64dcbde3d02c5c746bf5be90- 12false
- 24true
- 35false
- 48false
- 56false
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Answer : 2. "4"
Q: The ratio of present ages of P and Q is 3:4. The ratio of their ages 27 years hence would be 6:7. If P is 9 years younger than Q then, what would be the present age of Q?
555 064dcbd8cd02c5c746bf5be71
64dcbd8cd02c5c746bf5be71- 136 yearstrue
- 245 yearsfalse
- 354 yearsfalse
- 430 yearsfalse
- 541 yearsfalse
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Answer : 1. "36 years"
Q:Direction: Study the information given below carefully and answer the questions given below.
Three companies A, B and C manufactured two types of bottles viz Steel and Copper. Total number of bottles manufactured by the company is 1000. The ratio between the number of copper bottles manufactured by A and the number of Steel bottles manufactured by B is 13: 17. The total number of Copper bottles manufactured by C is 164. The number of Copper bottles manufactured by B is 25 more than the same type of bottles manufactured by A. The 14.28 % of the number of Copper bottles manufactured by B is equal to the 1/9th of the total number of Steel bottles manufactured by C. The number of Steel bottles manufactured by A is 122 which is 21 less than the number of Copper bottles manufactured by the same company.
If the cost price of each copper bottles sold by shop B is Rs. 250 and the cost price of steel bottles is 20% more than the copper bottles, then find the total amount earned on selling bottles by shop B.
561 064dcbcd5d02c5c746bf5bbb6
64dcbcd5d02c5c746bf5bbb6Three companies A, B and C manufactured two types of bottles viz Steel and Copper. Total number of bottles manufactured by the company is 1000. The ratio between the number of copper bottles manufactured by A and the number of Steel bottles manufactured by B is 13: 17. The total number of Copper bottles manufactured by C is 164. The number of Copper bottles manufactured by B is 25 more than the same type of bottles manufactured by A. The 14.28 % of the number of Copper bottles manufactured by B is equal to the 1/9th of the total number of Steel bottles manufactured by C. The number of Steel bottles manufactured by A is 122 which is 21 less than the number of Copper bottles manufactured by the same company.
- 1Rs. 92000false
- 2Rs. 94400false
- 3Rs. 98100true
- 4Rs. 82400false
- 5Rs. 70400false
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