Maths Practice Question and Answer
8 Q: $$ {1\over {^3\sqrt{4}+{^3\sqrt{2}}}+1}=a^3\sqrt{4}+ b^3\sqrt{2}+c $$ and a, b, c are rational numbers, then a + b + c is equal to
847 06409ce3556c45fd8d39e6f76
6409ce3556c45fd8d39e6f76- 10true
- 21false
- 32false
- 43false
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Answer : 1. "0"
Q: A and B together can complete a work in 20 days. A is 20 percent more efficient than B, B alone can complete the same work in how many days?
847 0644fa75edf71751d50513800
644fa75edf71751d50513800- 166 daysfalse
- 233 daysfalse
- 344 daystrue
- 455 daysfalse
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Answer : 3. "44 days"
Q: What is the ASA congruence rule of triangles, where A and S represents angle and side of triangle respectively?
847 06481883062f8ada03553507f
6481883062f8ada03553507f- 1Two triangles are said to be congruent if any pair of 2 angles and any 1 pair of sides of both the triangles are equal.false
- 2Two triangles are said to be congruent if all three sides of both the triangles are equal.false
- 3Two triangles are said to be congruent if 2 angles and the included side of one triangle are equal to 2 angles and the included side of the other triangletrue
- 4Two triangles are said to be congruent if 2 sides and the included angle of one triangle are equal to 2 sides and the included angle of the other triangle.false
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Answer : 3. "Two triangles are said to be congruent if 2 angles and the included side of one triangle are equal to 2 angles and the included side of the other triangle"
Q: A solid metallic sphere of radius 12 cm is melted and recast into a cone having diameter of the base as 12 cm. What is the height of the cone?
847 0648725afbf323e479aa75ce3
648725afbf323e479aa75ce3- 1258 cmfalse
- 2224 cmfalse
- 3166 cmfalse
- 4192 cmtrue
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Answer : 4. "192 cm"
Q: The simple interest on ₹ 7,300 from 11 May, 1987 to 10 September, 1987 (both days included) at 5% per annum is-
847 065423d12c298bbcb028932f3
65423d12c298bbcb028932f3- 1₹ 123true
- 2₹ 103false
- 3₹ 200false
- 4₹ 223false
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Answer : 1. "₹ 123 "
Explanation :
Q: The value of $${cosec^230^0sin^245^0+sec^260^0}\over {tan60^0cosec^245^0-sec^260^0tan45^0}$$ is
847 064ba2c152d3130f5754291e9
64ba2c152d3130f5754291e9- 1$$-2\sqrt { 3}-2$$false
- 2$$-3(2+\sqrt { 3})$$true
- 3$$3(2+\sqrt { 3})$$false
- 4$$2\sqrt { 3}-2$$false
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Answer : 2. " $$-3(2+\sqrt { 3})$$"
Q: If $$cosθ + cos^2θ= 1,$$find the value of $$\sqrt {sin^4θ+cos^2θ} \ $$
846 0648994d6b50f5316a45d7931
648994d6b50f5316a45d7931- 1$$\sqrt {2cosθ} \ $$true
- 2$$\sqrt {2sinθ} \ $$false
- 32 cosθfalse
- 42 sinθfalse
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Answer : 1. "$$\sqrt {2cosθ} \ $$"
Q: (0.85 % of 405 ) + (2.25 % of 550 )=?
845 062cff00131b6d2015539f37e
62cff00131b6d2015539f37e- 116.7175false
- 215.7150false
- 313.8175false
- 414.7125false
- 5None of thesetrue
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