Learn

QUESTION
Q
If 2x − y = 4 then 6x − 3y = ?

If 2x − y = 4 then 6x − 3y = ?

A

15

B

12

C

18

D

10

E

24

A

15

B

12

C

18

D

10

E

24

Solution

2x − y = 4 6x − 3y = ? ——(1) 2x − y = 4 Then y = 2x − 4 Substituting y  in...

2x − y = 4

6x − 3y = ? ——(1)

2x − y = 4

Then y = 2x − 4

Substituting y  in (1) we get

6x − 3(2x − 4)

= 6x − 6x + 12

= 12

Register & Unlock access to Prep for free

Save & Analyse
your Practice

Learn, Practice &
Improve fast

Improve your
Accuracy

Track & Improve
Scores in all Topics

Session Time
Tracker

Review your
Performance

Insights on others
Performance

View Performance
Reports

Achieve your
Target

Flexible Learning &
Practice

Question Time
Tracker

Improve your
exam scores

Solution

.hez-title-solution{display: none;}

Keynote

#hez-keynote-title{display: none;}

Suppose six coins are flipped. Then the probability of getting at least one tail is ?

|||||

The following question consist of a single sentence with one blank only. You are given six words denoted by A, B, C, D, E and F as answer choices and from the six choices you have to pick up…

|||||||

The marked price of radio set is Rs.480. The shopkeeper allows a discount of 10% and gains of 8%. If no discount is allowed, his gain…

||||

0 Simple Equations questions available for your Free Practice
0 Quantitative Ability questions available for your Free Practice
Practice 0 questions for Free