Simple Equations(Quantitative Aptitude ) Questions and Answers

Question 1.

  1. A number added to its two-thirds is equal to 35. The number is

  1.    19
  2.    21
  3.    23
  4.    25
Explanation:-
Answer: Option B. -> 21
Question 2.

  1. 40% of a number is greater than 45 by the same amount as the 20% of the number is less than 45. Find the number.

  1.    100
  2.    125
  3.    150
  4.    175
Explanation:-
Answer: Option C. -> 150
Question 3.

  1. The difference between the length and the breadth of a rectangle is 12 m. If its area is 805 m², its perimeter is

  1.    114
  2.    116
  3.    118
  4.    none of these
Explanation:-
Answer: Option B. -> 116
Question 4.

  1. A number exceeds its two-fifths by 75. What is the number?

  1.    100
  2.    125
  3.    150
  4.    175
Explanation:-
Answer: Option B. -> 125
Question 5.

  1. One third of a number is greater than one fourth of its successor by 1. The number is

  1.    12
  2.    15
  3.    22
  4.    25
Explanation:-
Answer: Option B. -> 15
Question 6.

  1. The sum of two consecutive numbers is 53. Find the numbers.

  1.    24, 29
  2.    26, 27
  3.    20, 33
  4.    none of these
Explanation:-
Answer: Option B. -> 26, 27
Question 7.

  1. In \(\frac{x}{0.5}-\frac{1}{0.05}+\frac{x}{0.005}- \frac{1}{0.0005}=0\) ,  equals

  1.    0
  2.    10
  3.    100
  4.    1000
Explanation:-
Answer: Option B. -> 10
Question 8.

  1. The price of 2 balls and 5 bats is Rs 680. If the price of a bat exceeds that of a ball by Rs 80, find the price of each.

  1.    Rs 50 , Rs 130
  2.    Rs 40 , Rs 120
  3.    Rs 60 , Rs 140
  4.    none of these
Explanation:-
Answer: Option B. -> Rs 40 , Rs 120
Question 9.

  1. The area of a right triangle is 30 square units. Determine its base and the altitude, if the latter exceeds the former by 7 units.

  1.    Base = 3 unit , Altitude = 10 units
  2.    Base = 6 unit , Altitude = 13 units
  3.    Base =5 unit , Altitude = 12 units
  4.    none of these
Explanation:-
Answer: Option C. -> Base =5 unit , Altitude = 12 units
Question 10.

  1. The length of a room is 3 m more than its breadth. If the area of the room is 70 sq. m, determine the dimensions of the room.

  1.    Length = 11 , Breadth = 8
  2.    Length = 10 , Breadth = 7
  3.    Length = 7 , Breadth = 11
  4.    Length = 8 , Breadth = 11
Explanation:-
Answer: Option B. -> Length = 10 , Breadth = 7
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