Quantitative Aptitude Practice Question and Answer
8Q: 3, 12, 5, ? 1531 05b5cc6b9e4d2b4197774d725
5b5cc6b9e4d2b4197774d725- 136false
- 226false
- 330true
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Answer : 3. "30"
Explanation :
Answer: C) 30 Explanation: 332 + 3 = 12552 + 5 = 30
Q: P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ? 2567 05b5cc6b9e4d2b4197774d711
5b5cc6b9e4d2b4197774d711- 12212false
- 22154false
- 32349false
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Answer : 4. "2679"
Explanation :
Answer: D) 2679 Explanation: Let x, x+2, x+4, x+6, x+8 and x+10 are six consecutive odd numbers. Given that their average is 52 Then, x + x+2 + x+4 + x+6 + x+8 + x+10 = 52×6 6x + 30 = 312 x = 47 So Product = 47 × 57 = 2679
Q: A seller charges 28% more from a customer as GST on an article. If customer paid Rs. 4544, what is the cost price of the article? 1304 05b5cc6b9e4d2b4197774d70c
5b5cc6b9e4d2b4197774d70c- 1Rs. 3550true
- 2Rs. 2650false
- 3Rs. 3840false
- 4Rs. 2450false
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Answer : 1. "Rs. 3550"
Explanation :
Answer: A) Rs. 3550 Explanation: Let the cost price of the article be 'P' Then from given data, P + 28P100 = 4544=> 128P = 454400=> P = 3550 Hence, the cost price of the article = P = Rs. 3550
Q: 3 : 12 :: 5 : ? 1296 05b5cc6b9e4d2b4197774d702
5b5cc6b9e4d2b4197774d702- 117false
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Answer : 2. "30"
Explanation :
Answer: B) 30 Explanation: 332 + 3 = 12552 + 5 = 30
Q: The compound interest on Rs. 8000 for 3 year at 10% p.a. is 1215 05b5cc6b9e4d2b4197774d6df
5b5cc6b9e4d2b4197774d6df- 12648true
- 22145false
- 32587false
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Answer : 1. "2648"
Explanation :
Answer: A) 2648 Explanation: 8000 × 33.1% = 2648
Q: A girl read 2/5 part of a book in 1st day, 34% in second day and remaining page in next two days. In two days she read equal number of page. If she read 52 pages on last day, then find out how many pages did the book contain? 1437 05b5cc6b9e4d2b4197774d6a3
5b5cc6b9e4d2b4197774d6a3- 1400true
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Answer : 1. "400"
Explanation :
Answer: A) 400 Explanation: 1st day the girl read = 40% 2nd day she read = 34 % Remaining percentage of book = 100% - (40% +34%) = 26% But given last two days she read equal number of pages => Each day she read 26%/2 = 13% Last day she read 52 pages = 13% 13% = 52 1% = 4 => 100% = 400 Total pages in the book is 400.
Q: In how many ways can letter of the word RAILINGS arrange so that R and S always come together? 1507 05b5cc6b9e4d2b4197774d6a8
5b5cc6b9e4d2b4197774d6a8- 11260false
- 22520false
- 35040true
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Answer : 3. "5040"
Explanation :
Answer: C) 5040 Explanation: The number of ways in which the letters of the word RAILINGS can be arranged such that R & S always come together is Count R & S as only 1 space or letter so that RS or SR can be arranged => 7! x 2! But in the word RAILINGS, I repeated for 2 times => 7! x 2!/2! = 7! ways = 5040 ways.
Q: LCD of 12 and 18 1415 05b5cc6b8e4d2b4197774d66b
5b5cc6b8e4d2b4197774d66b- 136true
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- 312false
- 46false
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Answer : 1. "36"
Explanation :
Answer: A) 36 Explanation: LCD is nothing but Lowest or Least Common Denominator Here LCD of 12 and 18 means LCD of two fractions with denominators 12 and 18 respectively. Therefore, LCM of 12 & 18 = 6 x 3 x 2 = 36 How to calculate LCD :: The lowest common denominator or least common denominator (LCD) is the least common multiple (LCM) of the denominators of a set of fractions.