Quantitative Aptitude Practice Question and Answer
8Q: On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is ? 1448 05b5cc6dfe4d2b4197774eac6
5b5cc6dfe4d2b4197774eac6- 1476190476false
- 248617false
- 347619true
- 44587962false
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Answer : 3. "47619"
Explanation :
Answer: C) 47619 Explanation: By hit and trail, we find that 47619 x 7 = 333333. 7) 333333 (47619 333333---------------- 0 And 476190476 x 7 = 3333333333 but smallest number is 47619.
Q: If 35% of a number is 24 less than 50% of that number, then the number is ? 1446 05b5cc6e1e4d2b4197774eba2
5b5cc6e1e4d2b4197774eba2- 180false
- 2160true
- 3100false
- 4120false
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Answer : 2. "160"
Explanation :
Answer: B) 160 Explanation: Let the number be n. Then, 50% of n - 35% of n = 24 50/100 n - 35/100 n = 24 n = (24 x 100)/15 = 160.
Q: The question given below contain two statements giving certain data. You have to decide whether the data given in the statements are sufficient for answering the question ? Question : What is the height of a right-angled triangle ? Statements : A. The area of the triangle is 20 times its base. B. The perimeter of the triangle is equal to that of a square of the side 10 cm. 1445 05b5cc6c4e4d2b4197774dc90
5b5cc6c4e4d2b4197774dc90- 1Only statement A is requiredtrue
- 2Only statement B is requiredfalse
- 3Both A & B are requiredfalse
- 4Neither (false
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Answer : 1. "Only statement A is required"
Explanation :
Answer: A) Only statement A is required Explanation: From statement (A), 20b = (1/2) × b × h h = 40 cm.
Q: Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age? 1443 05b5cc6bae4d2b4197774d79e
5b5cc6bae4d2b4197774d79e- 120false
- 241true
- 326false
- 433false
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Answer : 2. "41"
Explanation :
Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let ‘A’ years ago, M = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age. Hence, at the age S = 13 and M = 39.
Q: 16 of 225 is = 1441 05b5cc6b4e4d2b4197774d4d4
5b5cc6b4e4d2b4197774d4d4- 17.11true
- 27.21false
- 36.87false
- 47.58false
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Answer : 1. "7.11"
Explanation :
Answer: A) 7.11 Explanation: 16 of 225 is = 16 = p × 225100p = 1600225 = 7.1111
Q: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1439 05b5cc736e4d2b4197774f88d
5b5cc736e4d2b4197774f88d- 122false
- 236true
- 332false
- 426false
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Answer : 2. "36"
Explanation :
Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.
Q: 9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work? 1438 05b5cc6b3e4d2b4197774d3c8
5b5cc6b3e4d2b4197774d3c8- 135/4 daysfalse
- 217.5 daystrue
- 319 3/4 daysfalse
- 437/3 daysfalse
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Answer : 2. "17.5 days"
Explanation :
Answer: B) 17.5 days Explanation: Let the number of days be 'p' As the work is same, we know that M1 x D1 x H1 = M2 x D2 x H2 Where M = Men, D = Days, H = Hours per day Here M1 = 9, D1 = 15, H1 = 7 M2 = 6, D2 = p, H2 = 9 => 9 x 15 x 7 = 6 x p x 9 => p = 35/2 = 17.5 days.
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? 1437 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