Answer / heyyrashmi

Putting value of x=3 in 2x+y=10;
we get 2*3+y=10
or, 6+y=10
or, y=10-6
or, y=4
Now, x-y=3-4=-1Ans.

Answer / guest

6+y=10
y=4
3-4=-1

Answer / m n r

1.2x+y=10
2.x=3
3.so, 2*3+y=10
4.multyply with 2*3 is 6
5.i.e 6+y=10
6.take y first
7.so,y=10-6
8.y=4
9.x-y
10.3-4=-1
11.Ans : -1

Answer / s.rajendran

Given:
2x +y = 10
x = 3

Solution:
if x = 3, then
2(3) +y = 10,
5 + y = 10,
therefore, y = 10-5 and y = 5.

therefore x - y = 3 - 5 = -2

Y = -2.

Answer / umacse.s

2x+y=10........1
x=3............2
mul
2*3+y=10
6+y=10
supp
y=-2
6+2=10
10=8
y=-2

Q.15 For the FIFA world cup, Paul the octopus has been predicting the winner of each match with amazing success. It is rumored that in a match between 2 teams A and B, Paul picks A with the same probability as A’s chances of winning. Let’s assume such rumors to be true and that in a match between Ghana and Bolivia, Ghana the stronger team has a probability of 2/3 of winning the game. What is the probability that Paul will correctly pick the winner of the Ghana-Bolivia game? 4/9 2/3 1/9 5/9 Answer is: 5/9 can someone plz explain how this ans is calculated?????

4 Answers   TCS,

Eulers formula ?

1 Answers   Geometric Software,

What would be the rank of the word LABOUR in the dictionary if all the possible permutations of the alphabets of LABOUR are done?

0 Answers   CGI,

What is the optimum number of operations for 2*(x**3)+3*(x**2)+5*x+5?

6 Answers   Geometric Software,

Please provide some links or materials for IOB PROBATIONARY OFFICERS post exam

0 Answers  

In a certain code language, the word ENQUIRY is written as YRIUQNE. How will the word REQUIRE be written in the code language ? (a) QERUERI (b) REQUERI (c) ERIUQER (d) IREUQER (e) None of these

6 Answers  

In a society of 80 resident families who subscribe newspapers, 60% of them subscribe The Hindu newspaper, 80% of them subscribe regional language newspaper and 70% of them subscribe TOI. How many families could, at the least, be subscribing to all the three newspapers (a) 0% (b) 5% (c) 10% (d) 20%

2 Answers   Mu Sigma,

to write a number in words eg. FIVE requires 10 straight lines. what is the number which requires the same number of lines as that of the number itself

13 Answers   Franklin Templeton, TCS, Vcustomer,

what is current plr rate of sbi

2 Answers  

One Train Travels 200m From A To B With 70 Km/Ph And Returns To A With 80kmph, What Is The Average Of Their Speed?

0 Answers   TCS,

Difference between the perimeters of two concentric circles is 66. Find the difference between radius.

0 Answers   Cisco,

1) In the class of 40 students, 30 speak Hindi and 20 speak English. What is the lowest possible number of students who speak both the languages? (a) 5 (b) 20 (c) 15 (d) 10 (e) 30

11 Answers   TCS,