# Combinations Quiz Questions 77 Tests pdf Download

Practice combinations quiz, college math quiz 77 to learn. 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 worksheets.

Free combinations worksheet has multiple choice quiz question as ^{n}p^{n}, answer key with choices as nι, (n+1)ι, 1 and none of above to test study skills. For eLearning viva, interview prep, study online 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