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Quantitative Section : Quantitative Ability

Below we have given a few questions and answers on Multiple Choice. These questions will help you solve questions on multiple choices

Question 211

If the cube root of the square root of a number is 6, what is the number?

  1. 72
  2. 216
  3. 152
  4. 18
  5. 167

Answer (b)

Explanation: Translate the whole into math’s 3√x = 6then cube both sides. √x = 8. Now square both sides; x = 216

Question 212

The distance between the points (-10, 20) and (-10, -20) is

  1. 84
  2. 54
  3. 18
  4. 30
  5. 70

Answer (d)

Explanation: Notice that the m coordinate in both points is the same. So you just have to find the difference in the n coordinates. The difference is 10 – (-20) = 30

Question 213

Points D, N U and W are arranged in a line in the same order. If DU = 13, NW = 14 and DW = 21 then NU =

  1. 3
  2. 9
  3. 8
  4. 9
  5. 78

Answer (c)

Explanation: To solve the problem algebraically isolate u one step at a time. First multiply through by 4 on the right, u – 4 = 4 – 4u. Next add 3x to each side and then add 3 to each side to get 4u = 6. Divide each side by 4 to get u = 6/4 or 1.5

Question 214

If p – 5 = 5 (1 – p), then what is the value of p?

  1. 0.33
  2. 9.56
  3. 5.7
  4. 3.86
  5. 0.34

Answer (a)

Explanation: The fraction v/n is a reciprocal of n/v. To find the numerical value of v/n, just flip the numerical value of n/v, which is 0.625. Your calculation will tell you that 1/0.625 = 1.6.

Question 215

If y/k = 0.625, then k/y is equal to which of the following?

  1. 80
  2. 2.67
  3. 0.78
  4. 1.76
  5. 75

Answer (b)

Explanation: Make the base on both sides of the equation same. 8 is similar as 24. So 24x  = 24,which means that c = 8

Question 216

If 0 < a < 1 then all of the following must be true except:

  1. 9 < a
  2. 75
  3. a < a
  4. 4a
  5. 7/8

Answer (c)

Explanation: Plug in 0.4 for a. Now a2 = 0.25, square root of a = 0.707, a = 0.4, - a = - 0.4, -a = -0.4, and 1/a = 2. This makes (a), (b), (d) and (e) true and (c) false.

Question 217

If a(q) =2q2+ 2 then what is the value of a(q + 4)?

  1. 54
  2. 8/7
  3. 9
  4. 78
  5. 2q2 + 16q + 34

Answer (e)

Explanation: Since there are variables in the answer choices you should  try to insert q = 3. We are trying to find a(3 + 4) = a(7) = 2(7)2 + 2 which is 100 our target number. Now insert 3 for q in the answer choices to see which answer choice goes with the target its (e)

Question 218

If (u – 3) = 4u – 7, then which of the following could be the value of u?

  1. 17
  2. 87
  3. 1/87
  4. 2
  5. 9

Answer (d)

Explanation: The first equation is u – 3 = 4u – 7, which simplifies to u = 4/3 but this is not the answer. Let us look at the second equation – (u – 3) = 4u – 7. This simplifies to 3 – u = 4u – 7 that means 5u = 10 and u = 2.

Question 219

If p – a > p + a, then which of the following must be true?

  1. 98
  2. p < 8
  3. a > 12
  4. 67
  5. 9

Answer (b)

Explanation: Algebraic manipulation is the easiest way to solve this problem. You need to add t to each side which will give inequality p > p + 2a. Now you are required to subtract from each side to get 0 > 2a and you will find your answer is (b)

Question 220

If 9d + 2r = 11 and a – 3b = 5, then what is the value of m?

  1. 0.7
  2. 8k
  3. 0.68
  4. 8
  5. 2.0

Answer (e)

Explanation: When you have two equations which are very similar in form you are probably looking at classic ETS style simultaneous equations. Adding the two equations cancels out the r term leaving you with the equation 8d = 16, so m = 2.

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CAT Sample Quantitative Ability Question Number : 1-10 | 11-20 | 21-30 | 31-40 | 41-50 | 51-60 | 61-70 | 71-80 | 81-90 | 91-100 | 101-110 | 11-120 | 121-130 | 131-140 | 141-150 | 151-160 | 161-170 | 171-180 | 181-190 | 191-200 | 201-210 | 211-220 | 221-230 | 231-240 | 241-250
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