Aptitude Practice Question and Answer
8 Q: The area of a circle is proportional to the square of its radius. A small circle of radius 3 cm is drawn within a larger circle of radius 5 cm. Find the ratio of the difference between the area of the larger circle and that of the smaller circle to the area of the larger circle.
840 05f40daaf9b782961da3f2897
5f40daaf9b782961da3f2897- 116: 25true
- 29: 25false
- 39:16false
- 416: 27false
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Answer : 1. "16: 25"
Q: A train of length 250 m crosses a platform of length 350 m in 50 seconds. In what time will the train cross a platform of length 230 m?
840 0632858c08146e66c2992394e
632858c08146e66c2992394e- 140 secondstrue
- 255 secondsfalse
- 360 secondsfalse
- 445 secondsfalse
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Answer : 1. "40 seconds"
Q: If b is the mean proportionate of a and c then find the value of $$ {(a-b)^{3}:(b-c)^{3}}$$ ?
840 060112c1d7fb81d03bf7cf28d
60112c1d7fb81d03bf7cf28d- 1$$ {a^{3}:b^{3}}$$true
- 2$$ {a^{2}:b^{2}}$$false
- 3$$ {b^{2}:c^{2}}$$false
- 4$$ {a^{3}:c^{3}}$$false
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Answer : 1. "$$ {a^{3}:b^{3}}$$"
Q: The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 1, the denominator becomes eight times the numerator. Find the fraction?
840 05ee84a7279b5ea388bec13d6
5ee84a7279b5ea388bec13d6- 1$${4\over 8} $$false
- 2$${2\over 7} $$false
- 3$${3\over 8} $$false
- 4$${3\over 7} $$true
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Answer : 4. "$${3\over 7} $$"
Q: Cost of a stone varies directly as the square of its weight. A stone broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the stone was Rs.7000, the price of the original stone was
840 06024f8a9835ee1737390a4d1
6024f8a9835ee1737390a4d1- 1Rs. 150000false
- 2Rs.175000false
- 3Rs.100000true
- 4Rs.140000false
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Answer : 3. "Rs.100000"
Q:Directions: Study the information given below and answer the questions that follow.
An article was bought for Rs. 5600. Its price was marked up by 12%. Thereafter it was sold at a discount of 5% on the marked price.
What was the percent profit on the transaction?
840 05df0b5840183ea49d62ac0e3
5df0b5840183ea49d62ac0e3An article was bought for Rs. 5600. Its price was marked up by 12%. Thereafter it was sold at a discount of 5% on the marked price.
- 16.8%false
- 26.3%false
- 36.4 %true
- 46.6 %false
- 56.2%false
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Answer : 3. "6.4 %"
Q: A boat moves downstream at the rate of 1 km in $$7{1\over 2}$$ minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water?
839 05f23d4823494c5438aa7c492
5f23d4823494c5438aa7c492- 14 km/hourfalse
- 23 km/hourfalse
- 38 km/hourfalse
- 4$$6{1\over 2}$$ km/hourtrue
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Answer : 4. "$$6{1\over 2}$$ km/hour "
Q:Direction : Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.
Area of a square is equal to the area of a circle. What is the circumference of the circle?
I. The diagonal of the square is 8 inches.
II. The side of the square is 12 inches.
839 05ea8fa42a63dac4c26cdeba9
5ea8fa42a63dac4c26cdeba9I. The diagonal of the square is 8 inches.
II. The side of the square is 12 inches.
- 1Data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.false
- 2Data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.false
- 3Data in statement I alone or in statement II alone is sufficient to answer the question.true
- 4Data in both the statements I and II is not sufficient to answer the question.false
- 5Data in both the statements I and II together is necessary to answer the question.false
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