Maths Practice Question and Answer
8 Q: If a2 + a + 1 = 0 then the value of a9 is.
1680 060acb9685c11632d824a791f
60acb9685c11632d824a791f- 10false
- 21true
- 32false
- 43false
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Answer : 2. "1"
Q: A can finish a piece work in 18 days and B can do the same work in half of the time taken by A. Then working together what part of the same work they can finish a day?
1680 05f1529e44cff381d16259ebf
5f1529e44cff381d16259ebf- 1$$ {1\over6}$$true
- 2$$ {2\over5}$$false
- 3$$ {1\over9}$$false
- 4$$ {2\over7}$$false
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Answer : 1. "$$ {1\over6}$$"
Q: A double bed is marked at ₹ 7,5000. The shopkeeper allows successive discounts of 8 %, 5 % and 2 % on it. What is the net selling price?
1679 05f2282fa4054157dee24927a
5f2282fa4054157dee24927a- 1₹ 6,4239true
- 2₹ 6,500.50false
- 3₹ 6,500false
- 4₹ 6,000false
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Answer : 1. "₹ 6,4239 "
Q: If the cost price of 28 items is equal to the selling price of 21 items, what is the profit percentage?
1679 05fb39a0fcb95815ec70d6877
5fb39a0fcb95815ec70d6877- 112 %false
- 2$$ {33{1\over 3}}\%$$true
- 320 %false
- 422 %false
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Answer : 2. "$$ {33{1\over 3}}\%$$"
Q: If Cos A + Cos2 A = 1, then Sin2 A + Sin4 A=?
1679 06099029ec4aedb3e80669631
6099029ec4aedb3e80669631- 10false
- 21true
- 3$$ {1\over 2}$$false
- 4-1false
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Answer : 2. "1"
Q: If the cost of 1 dozen apples is Rs. 18, then the cost of 25 apples will be -
1679 0638f395334f83f1472982f32
638f395334f83f1472982f32- 1Rs. 35.00false
- 2Rs. 25.00false
- 3Rs. 36.50false
- 4Rs. 37.50true
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Answer : 4. "Rs. 37.50 "
Q: The cost price of 27 articles is same as the selling price of 18 articles. What is the profit percent? 1679 060bf560ac40f0c12f4b8e2f5
60bf560ac40f0c12f4b8e2f5- 140%false
- 230%false
- 350%true
- 425%false
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Answer : 3. "50%"
Q: An Aeroplan is flying horizontally at a height of 1.8 km above the ground. The angle of elevation of plane from point X is 60° and after 20 seconds, its angle of elevation from X becomes 30°, If point X is on ground, then what is the speed (in km / hr.) of Aeroplan?
1679 05f0c2f546d43556009431d91
5f0c2f546d43556009431d91- 1201√3false
- 2305√3false
- 3216√3true
- 4105√3false
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