# Combinations Quiz Questions and Answers 77 PDF Download

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Study combinations online courses with multiple choice question (MCQs), ^{n}p^{n}, for bachelor degree and masters degree in mathematics questions with choices nι, (n+1)ι, 1 with online global exams' preparation for international tests like ACT practice test for good ACT scores. Learn permutations, combinations and probability questions and answers with problem-solving skills assessment test.

## Quiz on Combinations Worksheet 77Quiz PDF Download

Combinations Quiz

MCQ: ^{n}p^{n}

- nι
- (n+1)ι
- 1
- None of Above

A

Complementary Combination Quiz

MCQ: Value of ^{n-2}C_{r-2} + ^{n-2}C_{r-1} is

^{n+1}C_{r}^{n}C_{r}^{n}C_{r-1}^{n-1}C_{r-1}

D

Online Math Learning Quiz

MCQ: Sin10°sin30°sin50°sin70° =

- ³⁄
_{16} ^{−3}⁄_{16}- ¹⁄
_{16} - None of Above

C

Implication or Conditional Quiz

MCQ: Conjunction of two statement p and q is denoted by

- p ↔ q
- p → q
- p ← q
- p Ʌ q

D

Sum of n terms of a geometric series Quiz

MCQ: If a,r and a^{n} are first term, common ratio and nth term respectively of G.P then a^{n} =

- ar
^{n} - ar
^{n+1} - ar
^{n-1} - 0

A