Interested to Buy Any Domain ? << Click Here >> for more details...
in a class, 20 opted for physics,17for maths,5for both and
10 for other subjects.the class contains how many students ?
- 9 Answers
- 21053 Views
- Cognizant, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / dev
here note that 5 students opted both Math and Phy
Therefore,
Students opted for Phy only :(20-5)= 15
Students opted for Math only :(17-5)= 12
Students opted both : 5
students of other : 10
So, total students = 42
| Is This Answer Correct ? | 53 Yes | 9 No |
Answer / prem chand
physics = 20
maths = 17
phy & mat = 5
others = 10
Total = (20-5)+(17-5)+ 10 +5
= 42
| Is This Answer Correct ? | 19 Yes | 2 No |
Answer / smriti mohanty
only physics=15
only maths=12
both p & m=5
others=10
so total=42
| Is This Answer Correct ? | 14 Yes | 1 No |
Answer / karthika
physics=20
maths=17
both=5
so, now phy+mat-both=20+17-5=32
other=10.
so...32+10=42
| Is This Answer Correct ? | 11 Yes | 1 No |
Answer / waran
p-physics=20
m-maths=17
A-both(phy&maths)=5
o-other=10
p+m+a+o=20+17+5+10=52
total students will be 52
| Is This Answer Correct ? | 1 Yes | 11 No |
Answer / sagar sutar
Answer is 37
Since 5 have opted for both (Phys & maths) the actual count will be
Only Physics: 15
Only Maths:12
Only Physics + Maths: 5
Other subjects: 5
Total Student = 15+12+5+5 = 37
| Is This Answer Correct ? | 4 Yes | 19 No |
How many tangents can be drawn with in three circles if they do not lie with in each other
Nationalism of Dalai Lama?
the bucket size is 10KB.it takes 0.0001 KB/milisec to fill bucket.the bucket takes 100 or 1000 milisec to reach to destination.it takes 100 milisec to pass acknowledgement from dest to source.so calculate how much time will it take to pass N KB ,write formula.
PROCESS FLOW IN LOGISTICS
If y/x = 1/3 and x + 2y = 10, then x is
The age difference between two brothers is 3 years. After 6 years the ratio between the age is 9:8 What are their ages?
Complete the series 2, 7, 24, 77,__ (hint: 2*12= 24, 7*11= 77, therefore 24*10= 240)
Two trains starting at same time, one from Bangalore to Mysore and other in opposite direction arrive at their destination 1 hr and 4 hours respectively after passing each other.How nuch faster is one train from other?
5 Answers Caritor, Infosys, L&T,
What is bull and bear market
Respected Sir/Mem Plz send me all 5 years solved question papers of sbi clerk on my Gmail id and that is chandelmishel@gmail.com
Hello sir, I am Ravindra singh from delhi & I m 25 year old, I have 5 years work experience in sales coordination and my education qualification is B Com, I want to know what should I do after B Com MBA in sales and marketing or supply chain management Or PGDCA , Please suggest me, Thanks Regards Ravindra singh
A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?
English 
