SOLUTION: In a 10-item exam, of which only 6 items are to be solved, how many ways can a student answer the exam?

Algebra.Com
Question 916754: In a 10-item exam, of which only 6 items are to be solved, how many ways can a student answer the exam?
Answer by Hawksfan(61)   (Show Source): You can put this solution on YOUR website!
Use the formula
P = n!/(n- r)!

Example 5! = 5*4*3*2*1 for factorial !


= 10! / (10-6)!

10! / 4!
= (10*9*8*7*6*5*4!)/ 4!

= 90*56*30 = 151,200 ways
RELATED QUESTIONS

Please help me explain thoroughly the answer to the following questions? thank you so... (answered by scott8148)
A student is asked to answer 10 out of 13 questions on an exam. In how many ways can she... (answered by ewatrrr)
in how many ways can a student work 6 out of 10 questions on an exam? (answered by stanbon)
If a student can answer any 6 questions from an exam with 10 questions, how many ways can (answered by Tatiana_Stebko)
A student is told to work on 7 out of 10 questions on an exam. In how many different... (answered by solver91311)
PLEASE HELP! A student is told to work on 7 out of 10 questions on an exam. In how... (answered by MathLover1)
A student is asked to answer 8 out of 14 questions on an exam. In how many ways can she... (answered by ewatrrr)
a student is asked to answer 11 out of 15 questions of a exam. In how many ways can... (answered by math33)
A student is asked to answer 7 out of 15 questions on a exam. In how many ways can she... (answered by reviewermath)