Wednesday, 31 July 2013

Online Quantitative Aptitude Test On - Problems on Numbers - Online Test Part - 4

Problems on Numbers Online Test Part - 4

Exam Name - Quantitative Aptitude
Subject Name - Problems on Numbers
Exam Type - Multiple Choice Questions
No Of Questions - 10

Question - 1:If the sum of two numbers is 22 and the sum of their squares is 404, then the product of the numbers is?
  1. 40
  2. 44
  3. 80
  4. 88
Show/Hide Answer
Answer = A - 40
Explanation: Let the numbers be x and y.
Then, (x+y) = 22
and x2+y2 = 404.
Now, 2xy= (x+y)2 - (x2+y2)
= (22)2 - 404
= 484 - 404
= 80
Therefore xy = 40.
Question - 2: If the number 517 * 324 is completely divisible by 3, then the smallest whole number in the place of * will be: ?
  1. 0
  2. 1
  3. 2
  4. None of these
Show/Hide Answer
Answer = C - 2
Explanation: No Explanation
Question - 3:The difference between two numbers is 1356. When the larger number is divided by the smaller one, the quotient is 6 and the remainder is 15. The smaller number is ?
  1. 240
  2. 270
  3. 295
  4. 360
Show/Hide Answer
Answer = B - 270
Explanation: Let the numbers be x and (x + 1356).
Then, x + 1356 = 6x+15
‹=› 5x = 1350
x = 270.
Question - 4:Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number. ?
  1. 3
  2. 10
  3. 17
  4. 20
Show/Hide Answer
Answer = A - 3
Explanation: No Explanation
Question - 5:The sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals? ?
  1. 1/40
  2. 8/75
  3. 75/4
  4. 75/8
Show/Hide Answer
Answer = B - 8/75
Explanation: Let the numbers be x and y.
Then, x + y = 40 and xy = 375.
Therefore, 1/x + 1/y
‹=› x + y / xy.
‹=› 40/375.
= 8 / 75.
Question - 6:find the number, difference between number and its 3/5 is 50. ?
  1. 120
  2. 123
  3. 124
  4. 125
Show/Hide Answer
Answer = D - 125
Explanation: No Explanation
Question - 7:The number which when added to 10 times itself gives 264, is : ?
  1. 20
  2. 22
  3. 24
  4. 26
Show/Hide Answer
Answer = C - 24
Explanation: No Explanation
Question - 8:Find the number which when multiplied by 15 is increased by 196 ?
  1. 10
  2. 12
  3. 14
  4. 16
Show/Hide Answer
Answer = C - 14
Explanation: No Explanation
Question - 9:If a number is subtrcted from the square of tis one-half, the result is 48. the square root of the number is : ?
  1. 8
  2. 6
  3. 5
  4. 4
Show/Hide Answer
Answer = D - 4
Explanation: No Explanation
Question - 10:Two numbers differ by 5. If their product is 336, then sum of two number is ?
  1. 33
  2. 34
  3. 36
  4. 37
Show/Hide Answer
Answer = D - 37
Explanation: No Explanation

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