College Math Practice Test 77
Combinations Quiz Questions and Answers PDF Download - 77
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The Quiz: npn; "Combinations" App Download (Free) with answers: (n+1)ι; Nι; 1; for best online colleges for teaching degree. Learn Permutations, Combinations and Probability Questions and Answers, Apple eBook to download free sample for online graduate programs.
Combinations Questions and Answers PDF Download: MCQ 77
npn
- nι
- (n+1)ι
- 1
- None of Above
The value of n-2Cr-2 + n-2Cr-1 is
- n+1Cr
- nCr
- nCr-1
- n-1Cr-1
Sin10°sin30°sin50°sin70° =
- ³⁄16
- −3⁄16
- ¹⁄16
- None of Above
The conjunction of two statement p and q is denoted by
- p ↔ q
- p → q
- p ← q
- p Ʌ q
If a,r and an are the first term, common ratio and the nth term respectively of the G.P then an =
- arn
- arn+1
- arn-1
- 0
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