Question 137

Sonali can solve 70% of the problems in a competitive exam and Nirali can solve only 60% in the same exam. What is the probability that at least one of them will solve a problem, provided selection of questions is done randomly from the same exam ?

Solution

P(atleast 1 solved) = 1 - P(no one solved)

= 1-(1-0.7)x(1-0.6)

= 1 - (0.3)x(0.4)

= 1 - 0.12

= 0.88

Create a FREE account and get:

All Quant Formulas and shortcuts PDF
170+ previous papers with solutions PDF
Top 5000+ MBA exam Solved Questions for Free

SNAP Quant Questions | SNAP Quantitative Ability

SNAP Progressions and Series Questions SNAP Averages, Ratio and Proportion Questions SNAP Inequalities Questions SNAP Probability, Combinatorics Questions SNAP Data Sufficiency Questions

SNAP DILR Questions | LRDI Questions For SNAP

SNAP Data Interpretation Questions SNAP Data Interpretation Questions SNAP Data Interpretation Questions SNAP Logical Reasoning Questions SNAP Data Interpretation Questions

SNAP Verbal Ability Questions | VARC Questions For SNAP

SNAP Para Summary Questions SNAP Para Jumbles Questions SNAP Para Summary Questions SNAP Reading Comprehension Questions SNAP Vocabulary Questions

Also Read

SNAP Syllabus

SNAP Admit Card

SNAP Cutoffs

SNAP Eligibility Criteria

SNAP Exam Dates

SNAP Colleges List

SNAP Study Material

SNAP Registration

SNAP Result

SNAP Previous Year Papers

SNAP Crash Course

SNAP Mock Tests

Follow us on

Boost your Prep!

Download App