Aptitude Practice Question and Answer
8 Q: What is the total surface area and curved surface area of a solid semi circle with radius of 14 cm?
1816 05e293aa19d14251e9f42424d
5e293aa19d14251e9f42424d- 1$$ {5544cm^2},1848 cm^2 $$false
- 2$$ {1848cm^2},1232 cm^2 $$true
- 3$$ {924cm^2},616 cm^2 $$false
- 4$$ {2772cm^2},1848 cm^2 $$false
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Answer : 2. "$$ {1848cm^2},1232 cm^2 $$"
Q: Refer the below data table and answer the following question.
Jewellery was what percent of total exports?
1815 05f0e85011090a058653eba82
5f0e85011090a058653eba82Jewellery was what percent of total exports?
- 122.5 %true
- 225 %false
- 320 %false
- 427.5 %false
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Answer : 1. "22.5 %"
Q: $$\sqrt{ {1-sinA\over1+sinA}}$$ is equal to ?
1814 05e8b053a7b82aa7479fc5078
5e8b053a7b82aa7479fc5078- 1sec A + tan Afalse
- 2sec A + cosec Afalse
- 3sec A – cosec Afalse
- 4sec A – tan Atrue
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Answer : 4. "sec A – tan A"
Q: A discount of 15 % on one article is the same as discount of 20% on a second article. The costs of the two articles can be:
1814 05dc29603db44c174db56b2b4
5dc29603db44c174db56b2b4- 1₹85, ₹ 60false
- 2₹ 60, ₹40false
- 3₹40, ₹20false
- 4₹ 80, ₹ 60true
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Answer : 4. "₹ 80, ₹ 60"
Q: The cost of fencing a circular plot at the rate of Rs.15 per meters Rs. 3,300. What will be the cost of flooring the plot at the rate a Rs . 100 per square meter?
1814 05e4d0c0adfffd759fd0cb3d5
5e4d0c0adfffd759fd0cb3d5- 1Rs. 3,85,000true
- 2Rs. 2,20,000false
- 3Rs. 3,50,000false
- 4Cannot be determinedfalse
- 5None of thesefalse
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Answer : 1. "Rs. 3,85,000 "
Q: If x4+2x3+ax2+bx+9 is a perfect square where a and b are positive real numbers, then the value of a and b
1813 05ff40345d4181b48e8fa30ac
5ff40345d4181b48e8fa30ac- 1a = 5, b = 6false
- 2a = 6, b = 7true
- 3a = 7, b = 7false
- 4a = 7, b = 8false
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Answer : 2. "a = 6, b = 7"
Q: The length of the shadow of a vertical tower on level ground increases by 10 meters when the altitude of the sun changes from 45° to 30°. Then the height of the tower is
1813 05dcbd961e9d33d6509beda5f
5dcbd961e9d33d6509beda5f- 15 ( √3 + 1 ) meterstrue
- 25 ( √3 - 1 ) metersfalse
- 35√3 metersfalse
- 4$$ {5\over √3} meters $$false
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Answer : 1. "5 ( √3 + 1 ) meters "
Q: If x - y = 3, then what is the value of x3 - y3-9xy?
1813 05f2e4db2b6a1cb7a831c136b
5f2e4db2b6a1cb7a831c136b- 118false
- 227true
- 33false
- 49false
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