Maths Practice Question and Answer
8 Q: In a triangle, lengths of all the three medians are 9 cm, 12 cm. and 15 cm respectively. Then what will be the area of the triangle?
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60c345203ef9d27847d0fe1e- 154 $$cm^2$$false
- 260 $$cm^2$$false
- 336 $$cm^2$$false
- 472 $$cm^2$$true
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Answer : 4. "72 $$cm^2$$"
Q: In ΔABC θ is an acute angle and tanθ is equal to three times of cotθ. Find the value of $$ {sin^{2}θ+cosec^{2}θ-{1\over 2}cot^{2}θ}$$.
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600e922e59b22a1f1cddbc08- 1$$ {23\over 12}$$true
- 2$$ {23\over 9}$$false
- 3$$ {23\over 11}$$false
- 4$$ {23\over 8}$$false
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Answer : 1. "$$ {23\over 12}$$"
Q:Direction : Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.
What will the area of a regular pentagon?
I. The length of each side is 12 cm.
II. The measure of each angle is 108 degrees.
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5ea8f936a63dac4c26cdeb28I. The length of each side is 12 cm.
II. The measure of each angle is 108 degrees.
- 1The data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.true
- 2The data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.false
- 3The data in statement I alone or in statement II alone is sufficient to answer the question.false
- 4The data in both the statements I and II is not sufficient to answer the question.false
- 5The data in both the statements I and II together is necessary to answer the question.false
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Answer : 1. "The data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question."
Q: ∠A, ∠B, ∠C are three angles of a triangle. If ∠A -∠B =18°, ∠B – ∠C = 45°, then, ∠B, ∠A and ∠C are
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609f7592b9384d208ce687fe- 169° ,88° , 24°false
- 269°, 88°, 23°false
- 369°, 87°, 24°true
- 469°, 89°, 22°false
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Answer : 3. "69°, 87°, 24°"
Q: Find the value of the given expression.
$$\sqrt { 8+\sqrt { 1681} \ } \ $$
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6492db78dad6f2e01f55dd36- 15false
- 26false
- 34false
- 47true
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Answer : 4. "7"
Q: If a linear equation is of the form x = k, where k is a constant, then graph of the equation will be
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5f02bea2f75c916d61213d7e- 1a line making positive acute angle with x - axisfalse
- 2a line parallel to y - axistrue
- 3a line parallel to x - axisfalse
- 4a line cutting both the axesfalse
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Answer : 2. "a line parallel to y - axis "
Q: The average of the three numbers is 60. The first number is one-fourth of the sum of the remaining two numbers, the first number is-
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603742659d90e74af72b05b8- 130false
- 236true
- 342false
- 445false
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Answer : 2. "36"
Q: In ΔPQR , ∠R=54° the perpendicular bisector of PQ at S meets QR at T. If ∠TPR =46°, then what value of (in degree) ∠PQR?
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5f2e3d04be9f31290fbc5f4f- 125false
- 250false
- 375false
- 440true
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