Quantitative Aptitude Practice Question and Answer
8Q: A number when subtracted by 1/7 th of itself gives the same value as the sum of all the angles of a triangle. What is the number? 1870 05b5cc619e4d2b4197774b700
5b5cc619e4d2b4197774b700- 1420false
- 2210true
- 370false
- 435false
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Answer : 2. "210"
Explanation :
Answer: B) 210 Explanation: Let the required number be 'p' We know, sum of angles in a triangle are 180 deg According to given data, p - p/7 = 180 7p - p = 180 x 7 => 6p = 1260 => p = 1260/6 = 210
Q: Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get? 22104 05b5cc615e4d2b4197774b6f6
5b5cc615e4d2b4197774b6f6- 12false
- 22.5false
- 33true
- 43.5false
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Answer : 3. "3"
Explanation :
Answer: C) 3 Explanation: Given number of boxes = 14 Number of workers = 4 Now, number of whole boxes per worker = 14/4 = 3.5 Hence, number of whole boxes per each coworker = 3
Q: How many square units in 13 by 9? 1812 05b5cc615e4d2b4197774b6b8
5b5cc615e4d2b4197774b6b8- 113false
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- 3117true
- 413/9false
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Answer : 3. "117"
Explanation :
Answer: C) 117 Explanation: Number of square units in 13 by 9 is given by the area it forms with length and breadth as 13 & 9 Area = 13 x 9 = 117 Hence, number of square units in 13 by 9 is 117 sq.units.
Q: 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = ? 1512 05b5cc611e4d2b4197774b63b
5b5cc611e4d2b4197774b63b- 10false
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Answer : 3. "12"
Explanation :
Answer: C) 12 Explanation: Given 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 Using BODMAS Rule, As multiplication precedes addition, 1 x 0 = 0, Now, 10 + 0 + 1 + 1 = 10 + 2 = 12. Hence, 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = 12.
Q: Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book? 1697 05b5cc60de4d2b4197774b61d
5b5cc60de4d2b4197774b61d- 158false
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Answer : 2. "60"
Explanation :
Answer: B) 60 Explanation: -5-----------------------5-------------------20 5-(-5) = 10 20-5= 15 Ratio of cost price of book1 and book2 = 3:2 Then cost price of book 1 is given by (3/5) x 100 = Rs. 60.
Q: In a purse there are 30 coins, twenty one-rupee and remaining 50-paise coins. Eleven coins are picked simultaneously at random and are placed in a box. If a coin is now picked from the box, find the probability of it being a rupee coin? 6762 05b5cc60de4d2b4197774b618
5b5cc60de4d2b4197774b618- 14/7false
- 22/3true
- 31/2false
- 45/6false
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Answer : 2. "2/3"
Explanation :
Answer: B) 2/3 Explanation: Total coins 30 In that, 1 rupee coins 20 50 paise coins 10Probability of total 1 rupee coins = 20C11 Probability that 11 coins are picked = 30C11 Required probability of a coin now picked from the box is 1 rupee = 20C11/30C11 = 2/3.
Q: Find the next number in the given number series? 96, 95, 87, 78, ? 2346 05b5cc60ae4d2b4197774b5c9
5b5cc60ae4d2b4197774b5c9- 164false
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- 329false
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Answer : 4. "14"
Explanation :
Answer: D) 14 Explanation: The given number series is 96, 95, 87, 78, ? It follows a pattern that, 9696 - 12 = 9595 - 23 = 95 - 8 = 8787 - 32 = 87 - 9 = 7878 - 43 = 78 - 64 = 14 Hence, the next number in the given number series is 14.
Q: 5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2 days. How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days? 1593 05b5cc60ae4d2b4197774b5bf
5b5cc60ae4d2b4197774b5bf- 14false
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- 32true
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Answer : 3. "2"
Explanation :
Answer: C) 2 Explanation: Let workdone 1 boy in 1 day be b and that of 1 girl be g From the given data, 4(5b + 3g) = 23 20b + 12g = 23 .......(a) 2(3b + 2g) = 7 6b + 4g = 7 ........(b) Solving (a) & (b), we get b = 1, g = 1/4 Let number og girls required be 'p' 6(7 x 1 + p x 1/4) = 45 => p = 2. Hence, number of girls required = 2