Maths Practice Question and Answer
8 Q: An equilateral triangle ABC is inscribed in a circle with centre O. D is a point on the minor are BC and ∠CBD=400. Find the measure of ∠BCD.
1160 0646ca53983ab324a70656daa
646ca53983ab324a70656daa- 1false
500
- 2false
500
- 3true
200
- 4false
300
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Answer : 3. "200
"
Q:Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.
(i) 12x² + 11x + 2 = 0
(ii) 12y²+ 7y + 1 = 0
1160 064d5cf55bd50dd8e2e15c604
64d5cf55bd50dd8e2e15c604(ii) 12y²+ 7y + 1 = 0
- 1x ≥ yfalse
- 2x > yfalse
- 3x < yfalse
- 4x ≤ yfalse
- 5x = y or no relation can be established between x & y.true
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Answer : 5. "x = y or no relation can be established between x & y."
Q: ABC is an equilateral triangle with side 12 cm and AD is the median. Find the length of GD if G is the centroid of ΔАВС.
1160 064ccdadeb6a5e472e27fbfd0
64ccdadeb6a5e472e27fbfd0- 1$${6\sqrt{3}}cm$$false
- 2$${3\sqrt{3}}cm$$false
- 3$${4\sqrt{3}}cm$$false
- 4$${2\sqrt{3}}cm$$true
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Answer : 4. "$${2\sqrt{3}}cm$$"
Q: What is the value of a2+b2+c2-2ab-2bc+2ca?
1160 064805a7923e51f477704d402
64805a7923e51f477704d402- 1(2a + b + c)2false
- 2true
(a − b + c)2
- 3false
(a − b − 2c)2
- 4false
(a + 2b − c)2
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Answer : 2. "(a − b + c)2
"
Q: Which of the following quadratic equations has real roots?
1159 062ea3c6aceafbe581b7599fd
62ea3c6aceafbe581b7599fd- 14x2 - 7x + 5 = 0false
- 25x2 - 11x + 7 = 0false
- 35x2 - 11x + 8 = 0false
- 42x2 - 7x + 5 = 0true
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Answer : 4. "2x2 - 7x + 5 = 0"
Q: There is 40% sugar in 3 liters of sugar solution, what percentage of sugar will be in the new solution if one liter of water is added to this solution?
1159 063183394fe1d3322281dbd3c
63183394fe1d3322281dbd3c- 138%false
- 213%false
- 330%true
- 425%false
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Answer : 3. "30%"
Q: A pen passing through two hands is finally sold at a profit of 44% of the original cost price. If the first dealer makes a profit of 20%, then the profit made by the second dealer is:
1159 0644271a96db4aa24292a8275
644271a96db4aa24292a8275- 124%false
- 236%false
- 320%true
- 427%false
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Answer : 3. "20%"
Q:Answer the following questions
The total income of Ramesh, Suresh and Dinesh is Rs. 17325. Ramesh spend 70%, Suresh spend 75% and Dinesh spend 80% of their income. The ratio of their saving is 6 : 8 : 5. What is the income of Dinesh?
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63bd59043d35cd0deed5cdfb- 1Rs. 4500false
- 2Rs. 5625true
- 3Rs. 7200false
- 4Rs. 4800false
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