Maths Practice Question and Answer
8 Q: In triangle PQR, points A, B and C are taken on PQ, PR and QR respectively such that QC = AC and CR = CB. If ∠QPR = 40°, then ∠ACB is equal to:
1263 05dd3d746a46476101fbd7622
5dd3d746a46476101fbd7622- 1$$140^°$$false
- 2$$40^°$$false
- 3$$70^°$$false
- 4$$100^°$$true
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Answer : 4. "$$100^°$$ "
Q: O is the center and are ABC subtends an angle of 1300 at O. AB is extended to P, then ∠PBC is
1099 05dd3d6bda46476101fbd7615
5dd3d6bda46476101fbd7615- 1$$75^°$$false
- 2$$ 70^°$$false
- 3$$65^°$$true
- 4$$80^°$$false
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Answer : 3. "$$65^°$$ "
Q: ∆ DEF is right angle at E. if m∠F = 300 Then Find the value of $$\left( cos D - {1\over 2}\right)$$ = ?
1502 05dd3b511874d2d52fa31f8c7
5dd3b511874d2d52fa31f8c7- 1$$-{1\over2}$$false
- 2$${{6}- \sqrt{1}}\over 3 $$false
- 3$${\sqrt{2}- 2}\over 2\sqrt{2} $$true
- 4$${\sqrt{2}- 2} $$false
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Answer : 3. "$${\sqrt{2}- 2}\over 2\sqrt{2} $$"
Q: ∆ ABC is right angle at B. If m∠C = 450 Then find the value of ( cosec A - √3) = ?
1538 05dd3b49fa46476101fbd3bc0
5dd3b49fa46476101fbd3bc0- 1$${{4}- \sqrt{3}}\over 2 $$false
- 2$$\sqrt{2}-\sqrt{3} $$true
- 3$${- \sqrt{3}}\over 2 $$false
- 4$${{6}- \sqrt{1}}\over 3 $$false
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Answer : 2. "$$\sqrt{2}-\sqrt{3} $$"
Q: In ∆ ABC measure of angle B is 900. If cos A = $$ 5\over 13 $$ and AB = 10 Then what is the length of side BC ?
1314 05dd3b3afa46476101fbd3357
5dd3b3afa46476101fbd3357- 126false
- 224true
- 325false
- 45false
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Answer : 2. "24"
Q: If $$ sin(θ+30^0)= {3\over \sqrt { 12} } $$ then find cos2θ :
1172 05dd38201bfcbc45cddeddb4d
5dd38201bfcbc45cddeddb4d- 1$$ {1\over 4} $$false
- 2$$ {3\over 4} $$true
- 3$${\sqrt { 3} \ }\over 2 $$false
- 4$$ {1\over 2} $$false
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Answer : 2. "$$ {3\over 4} $$"
Q: If x cos2300. sin600=$${tan^2{45}^0.sec60^0}\over cosec\ 60^0$$ then the value of x :
1365 05dd22cb174ffed5e1f41cf54
5dd22cb174ffed5e1f41cf54- 1$$ 1\over \sqrt { 3} $$false
- 2$$ 2{2\over 3} $$true
- 3$$ 1\over \sqrt { 2} $$false
- 4$$ {1\over 2} $$false
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Answer : 2. "$$ 2{2\over 3} $$"
Q: If 4sin2 θ – 1 = 0 and angle θ is less than 900. The value of cos2 θ + tan2 θ is:
(Take 00 < θ < 900)
1126 05dd38448a46476101fbcb535
5dd38448a46476101fbcb535(Take 00 < θ < 900)
- 1$$ 13\over 12$$true
- 2$$ 12\over 11$$false
- 3$$ 11\over 9$$false
- 4$$ 17\over 15$$false
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