Quantitative Aptitude Practice Question and Answer
8Q: How many seconds will a 800 meter long train moving with a speed of 63 km/hr take to cross a man walking with a speed of 3 km/hr in the direction of the train ? 1995 05b5cc6dde4d2b4197774ea0f
5b5cc6dde4d2b4197774ea0f- 148true
- 252false
- 338false
- 442false
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Answer : 1. "48"
Explanation :
Answer: A) 48 Explanation: Here distance d = 800 mts speed s = 63 - 3 = 60 kmph = 60 x 5/18 m/s time t = 800x1860x5= 48 sec.
Q: Calender Puzzle 1994 05b5cc6d5e4d2b4197774e629
5b5cc6d5e4d2b4197774e629- 1Afalse
- 2Bfalse
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Answer : 4. "D"
Explanation :
Answer: D) D Explanation: We can't determine the last day of the next month which has 31 days because we don't know the days in present month which may be 30 or 31. And the next month may be March which contains 31 days which implies that the present month may be February which contains 28 or 29 days.
Q: A man reads 3/7 of a book on a day and 2/5 of the remaining, on the second day. If the number of pages still unread are 36, how many pages did the book contain ? 1992 05b5cc6c3e4d2b4197774dc4f
5b5cc6c3e4d2b4197774dc4f- 1105true
- 2101false
- 398false
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Answer : 1. "105"
Explanation :
Answer: A) 105 Explanation: Let number of pages in a book = p According to questions p - [3p/7 + (2/5 x 4p/7)] = 36 = p - 23p/35 = 36 => 12p = 36 × 35 p = 105
Q: An amount doubles itself in 15 years. what is the rate of interest ? 1992 05b5cc711e4d2b4197774f3cd
5b5cc711e4d2b4197774f3cd- 17.85 %false
- 29.41%false
- 36.66 %true
- 44.21 %false
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Answer : 3. "6.66 %"
Explanation :
Answer: C) 6.66 % Explanation: Let the principle be Rs. PAs the amount double itself the interest is Rs. P tooSo P = P x r x 15/100=> r = 100/15 = 20/3 % = 6.66 %.
Q: The angle between the minute hand and the hour hand of a clock when the time is 4.15 is 1992 05b5cc6cfe4d2b4197774e328
5b5cc6cfe4d2b4197774e328- 10false
- 237.5true
- 327false
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Answer : 2. "37.5"
Explanation :
Answer: B) 37.5 Explanation: Angle between hands of a clock When the minute hand is behind the hour hand, the angle between the two hands at M minutes past H 'o clock => 30H-M5+M2 degrees Here H = 4, M = 15 and the minute hand is behind the hour hand. Hence the angle = 30[4-(15/5)]+15/2 = 30(1)+7.5 = 37.5 degrees
Q: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1991 05b5cc6b3e4d2b4197774d3e3
5b5cc6b3e4d2b4197774d3e3- 1Rs. 7.46/kgfalse
- 2Rs. 8/kgtrue
- 3Rs. 8.74/kgfalse
- 4Rs. 8.56/kgfalse
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Answer : 2. "Rs. 8/kg"
Explanation :
Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg Hence, the selling price of the rice = Rs. 8/kg
Q: A class is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the class room ? 1986 05b5cc6e7e4d2b4197774ed6a
5b5cc6e7e4d2b4197774ed6a- 1115false
- 2117true
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Answer : 2. "117"
Explanation :
Answer: B) 117 Explanation: Length = 6 m 24 cm = 624 cmWidth = 4 m 32 cm = 432 cmHCF of 624 and 432 = 48Number of square tiles required = (624 x 432)/(48 x 48) = 13 x 9 = 117.
Q: R enter into a partnership in the ratio 2 : 3 : 5 . After 2 months, P increases his share 20% and Q by 10%. If the total profit at the end of one year is Rs 1,90,500, what amount will 'R' receive at the end of year as share in profit ? 1985 05b5cc6cbe4d2b4197774e0fe
5b5cc6cbe4d2b4197774e0fe- 1Rs. 90500false
- 2Rs. 87500false
- 3Rs. 88900false
- 4Rs. 90000true
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Answer : 4. "Rs. 90000"
Explanation :
Answer: D) Rs. 90000 Explanation: Ratio of investments for 1 year => (P : Q : R) = (2x2 + 2.4x10) : (3x2 + 3.3x10) : (5x12) => (P : Q : R) = 28 : 39 : 60 Now R share = 190500 x 60/127 = Rs. 90000.