Practice combinations quiz, college math quiz 77 for online learning. Free math MCQs questions and answers to practice 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 npn, answer key with choices as nι, (n+1)ι, 1 and none of above problem solving to test study skills. For online learning, viva help and jobs' interview preparation tips, study permutations, combinations & probability multiple choice questions based quiz question and answers.

Combinations Quiz

MCQ. npn

1. (n+1)ι
2. 1
3. None of Above

A

Complementary Combination Quiz

MCQ. The value of n-2Cr-2 + n-2Cr-1 is

1. n+1Cr
2. nCr
3. nCr-1
4. n-1Cr-1

D

Online Math Learning Quiz

MCQ. Sin10°sin30°sin50°sin70° =

1. ³⁄16
2. −316
3. ¹⁄16
4. None of Above

C

Implication or Conditional Quiz

MCQ. The conjunction of two statement p and q is denoted by

1. p ↔ q
2. p → q
3. p ← q
4. p Ʌ q

D

Sum of n terms of a geometric series Quiz

MCQ. If a,r and an are the first term, common ratio and the nth term respectively of the G.P then an =

1. arn
2. arn+1
3. arn-1
4. 0

A