Maths Practice Question and Answer
8 Q: The income of A is 25% more than that of B and the income of C is 65% less than the sum of the incomes of A and B. Income of C is what percent less than the income of A?
1689 06007edc51187ab386914b89d
6007edc51187ab386914b89d- 132false
- 237true
- 335false
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Answer : 2. "37"
Q: If a2 + b2 + 64c2 + 16c + 3 = 2(a +b), then the value of 4a7 + b7 + 8c2 is : 1799 06007ed7f1187ab386914b874
6007ed7f1187ab386914b874- 1$$ {4{1\over 8}}$$false
- 2$$ {5{1\over 8}}$$true
- 3$$ {4{7\over 8}}$$false
- 4$$ {3{1\over 8}}$$false
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Answer : 2. "$$ {5{1\over 8}}$$"
Q: If x + y = 1 and xy (xy – 2) = 12,then the value of x4 + y4 is:
1243 06007ed43a41f3f2fa419b4c9
6007ed43a41f3f2fa419b4c9- 123false
- 225true
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Answer : 2. "25"
Q: The areas of the three adjacent faces of a cuboid are 32 cm2, 24 cm2 and 48cm2. What is the volume of the cuboid?
1160 06007ece9a41f3f2fa419b494
6007ece9a41f3f2fa419b494- 1288 cm3false
- 2256 cm3false
- 3128 cm3false
- 4192 cm3true
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Answer : 4. "192 cm3"
Q: What will be the compound interest (nearest to Rs. 1 on a sum of Rs. 25,000 for 2 years at 12% p.a., if the interest is compounded 8-monthly?
1301 06007eca4d6101033e1724f9f
6007eca4d6101033e1724f9f- 1Rs. 6.349false
- 2Rs. 6,493true
- 3Rs. 6,394false
- 4Rs. 6,439false
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Answer : 2. "Rs. 6,493"
Q: If (27x3 – 343y3) ÷ (3x – 7y) = Ax2 +By2 + 7Cyx, then the value of (4A – B +5C) is:
1179 06007ec621187ab386914a938
6007ec621187ab386914a938- 11false
- 23false
- 32true
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Answer : 3. "2"
Q: Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 168, 174 and 180 respectively. What is the average of the original three numbers?
1322 06007ec271187ab386914a740
6007ec271187ab386914a740- 184false
- 287true
- 389false
- 486false
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Answer : 2. "87"
Q: If x is added to each of 12, 28, 21 and 45, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x + 3) and (4x +1)? 1617 06007ebe6d6101033e17248a8
6007ebe6d6101033e17248a8- 115true
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- 310false
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