# Combinations Quiz Questions and Answers 77 PDF Download

Learn combinations quiz, online college math test 77 for online courses, distance learning. Free math MCQs questions and answers to learn combinations MCQs with answers. Practice MCQs to test knowledge on combinations, complementary combination, online math learning, implication or conditional, sum of n terms of a geometric series for online cool math course test.

Free combinations course worksheet has multiple choice quiz question as ^{n}p^{n} with options nι, (n+1)ι, 1 and none of above with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study permutations, combinations & probability multiple choice questions based quiz question and answers.

## Quiz on Combinations Quiz PDF Download Worksheet 77

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