Applicants of CDS 2 2017 entry aiming for academies like IMA, AFA, NA have to write 3 papers under cds written exam: CDS 2 2017 English Exam, CDS 1 2017 General Ability Exam, CDS 2 2017 Mathematics Exam. All three papers will be conducted simultaneously in one day by UPSC (Union Public Service Commission). Keeping the trend and pattern of the CDS mathematics exam we are sharing 10 Brain Twisters multiple choice question answers For CDS 2 2017 Applicants, try them and plan your preparation strategy accordingly.
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10 Brain Twisters For CDS 2 2017 Applicants
1. If the roots of the equation  are in the ration p:q, then  is equal to |
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| a. 0 | ||
| b. 1 | ||
| c. 2 | ||
| d. 3 | ||
| Answer. a | ||
2.  |
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| a. -15 | ||
| b. -5 | ||
| c. 0 | ||
| d. 5 | ||
| Answer. c | ||
3.  |
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a.  |
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b.  |
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c.  |
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d.  |
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| Answer. c | ||
4.  |
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| a. a+b+c | ||
| b. 3 | ||
| c. 1 | ||
| d. 0 | ||
| Answer. c | ||
5.  |
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| a. p-q = 0 | ||
| b. p+q-2 = 0 | ||
| c. p+q-1 = 0 | ||
| d. p-q-1 = 0 | ||
| Answer. d | ||
6.  |
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| a. 0 | ||
| b. 1 | ||
| c. 2 | ||
| d. 3 | ||
| Answer. a | ||
7. The sum and difference of two expression are  and  respectively. The HCF of two expressions will be |
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| a. (x+1) | ||
| b. (x-1) | ||
| c. (3x+7) | ||
| d. (2x-3) | ||
| Answer. b | ||
8. If (s-a)+(s-b)+(s-c) = s, then the value of  will be |
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| a. 3 | ||
| b. 1 | ||
| c. 0 | ||
| d. -1 | ||
| Answer. b | ||
9.  |
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| a. 1 | ||
| b. 9 | ||
| c. 10 | ||
| d. 13 | ||
| Answer. c | ||
| 10. Let p and q be non-zero integers. Consider the polynomial A(x) = x^2 + px+q It is given that (x – m) and (x – km) are simple factors of A(x), where m is a non-zero integer and k is a positive integer, k ≥ 2. Which one of the following is correct? | ||
a.  |
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b.  |
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c.  |
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d.  |
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| Answer. b | ||
