PS-Modern Math/Stats
PS Questions from Modern Math/Stats
SOLUTION: A NEW OG 2021 QUESTION Total number of people who own stock in either AT&T or IBM = 30 + 48 - 15 = 63 Total people in the survey= 200 =&g...
Tue, 12 Oct, 2021 at 3:56 PM
SOLUTION: Total=A+B+C− {Sum of Exactly 2 groups members} −2∗A∩B∩C+ Neither Given: Total = 600 and as a percentage it is 100% Neither = 0 (As all the stu...
Tue, 12 Oct, 2021 at 3:57 PM
SOLUTION: This is a question from the area of Probability. If we rephrase it, you are asked the probability for obtaining an even sum from numbers 1-20. ...
Tue, 12 Oct, 2021 at 3:57 PM
SOLUTION: This is a problem on Percentage and Probability Let there be "x" flowers Number of roses = 40% = 0.4x Number of carnations = 100...
Tue, 12 Oct, 2021 at 3:57 PM
SOLUTION: This is a question from Function and custom characters. As the operation does not increase the value to 9 or 18,it is possibly an operation of d...
Tue, 12 Oct, 2021 at 3:57 PM
SOLUTION: A NEW OG 2021 QUESTION Its based on the concepts of Counting and Probability (Basket 1)-4 apples, 2 oranges => Total fruits=6 => Sample s...
Tue, 12 Oct, 2021 at 3:57 PM
Concept: The question tests on the basics of Counting Solution We can have 4 digit numbers or 5 digit numbers 4 digit numbers: The first place cannot hav...
Tue, 12 Oct, 2021 at 3:58 PM
SOLUTION: Number of ways they can be seated =9!=504(6!) 2 Americans, 2 Chinese, 2 British, 4 others Let, A=>2 Americans together B=>2 British togeth...
Tue, 12 Oct, 2021 at 3:58 PM
CONCEPT: The question tests on Overlapping sets. SOLUTION: Number of Men are = 150-70=80 men Number of women who did NOT try the appetizer = 70-30 = 40 ...
Tue, 12 Oct, 2021 at 4:01 PM
CONCEPT: The question tests on the concepts of Probability SOLUTION: The probability that the second card has the same face value as the first (Implyi...
Tue, 12 Oct, 2021 at 4:01 PM