Recent questions and answers in Linear Equations

The point of the form (a,a) always lie on

answered Sep 19, 2021 by raosahabnikhil1

1 answer

One number is 28 more than three times another number. If each number were multiplied by four, their difference would be 232. What are the numbers?

answered Jul 26, 2021 by pranav.gupta2022

1 answer

If a+2b+3c=20 and 2a+4b+c=25, then c=?

answered Sep 6, 2020 by joel.whitaker

1 answer

The pair of equation x+2y+5 = 0, -3x-6y+1=0 have

answered Jun 11, 2020 by aebelpsunil317

1 answer

If $ax + by = c$ and $lx + my = n$ has unique solution then the relationbetween the coefficient

answered Apr 4, 2020 by sanchakgargss

1 answer

Graphically the pair of equations 6x-3y+10=0, 2x-y+9=0 represents two line which are

answered Jan 14, 2020 by das.bittu15403

1 answer

Four years ago age of a person was 4 times that of his son. six years later the age of the person will be 10 years less than thrice the age of his son. Find the present ages of the person and his son

answered Dec 27, 2019 by pallavilute78

1 answer

Mala purchased 5 chairs and 2 tables for Rs. 1625. Reshma purchased 2 chairs and 1 table for Rs. 750. Find the cost per chair and per table.

answered May 28, 2019 by megharvind24

1 answer

Any line in a plane divides the plane into three disjoint parts

answered Mar 6, 2019 by rpc9784

1 answer

The equation 2x+5y=7 has a unique solution if x,y are

answered Mar 1, 2019 by sainiakash86406

1 answer

Find the value of k, if x=1 , y=1 is a solution of the equation 2x+3y=k

answered Jan 28, 2019 by himanshumalhotra840

2 answers

The system of equations px+4y=32 and 2qy+15x=96 has infinite solutions. The value of p-q is

answered Jan 26, 2019 by jahirul.kxj

1 answer

If 3x-2y=12 and 6x+y=9 , then find the value of x and y

answered Jan 22, 2019 by manan.sethi0401

1 answer

If the system of linear equations px+3y=9 and 4x+py=8 has unique solutions, then

answered Oct 12, 2018 by aksharamanibalu

1 answer

How many linear equations are satisfied by x=2 and y=-3

answered Aug 15, 2018 by ratanstar4245880

1 answer

which of the following is to be added to make $x^6-6x^4+4x^3+8x^2-10x+3$ a perfect square?

answered Jun 19, 2018 by vijayalakshmi.r

1 answer

How many pairs of x and y satisfy the equations 2x+4y=8 and 6x+12y=24?

answered May 31, 2018 by shreyjalota1992

1 answer

What is the value of a for which (3,a) lies on 2x-3y=5

answered Feb 2, 2018 by www.pvizarniya

1 answer

The sum of a two digit number and the number formed by interchanging its digits is 110. if 10 is subtracted from the first number, the new number is 4 more than 5 times the sum of the digits in the first number. find the first number.

answered Jan 24, 2018 by pady_1

1 answer

If (2,0) is a solution of the linear equation 2x+3y=k then the value of k is

answered Jan 3, 2018 by info_3

1 answer

The father's age is six times his son's age . Four years hence the age of father will be four times his son's age , The present age in years of the son and the father are respectively

answered Aug 16, 2017 by dollyakshaya3

1 answer

Two places A and B are 120 km apart from each other on a highway. A car starts from A B and another from B at the same time. If they move in the same direction, they meet in 6 hours and if they move in opposite directions, they meet in 1 hour and 12 minutes. Find the speeds of the cars.

answered Sep 20, 2016 by mihirb13

1 answer

If we add 1 in the numerator of a fraction and subtract 1 from its denominator, the fraction becomes 1, It is also given that the fraction becomes 1/2 when we add 1 to its denominator, and then what is the fraction.

asked Aug 27, 2015 by pady_1

0 answers

If from twice the greater of two numbers, 20 is subtracted, the result is the other number. If from twice the smaller number, 5 is subtracted, the result is the greater number. Find the numbers.

asked Aug 27, 2015 by pady_1

0 answers

For a pair to be consistent and dependent the pair must have

asked Aug 27, 2015 by pady_1

0 answers

Graph of every linear equation in two variable represent a

asked Aug 27, 2015 by pady_1

0 answers

In an examination one mark is awarded for every correct answer and $\large\frac{1}{4}$ mark is deducted for every wrong answer. A student answered 120 question and got 90 marks. How many questions did he answer correct.

asked Aug 27, 2015 by pady_1

0 answers

Form a pair of linear equations for: If twice the son’s age is added to father’s age, the sum is 70. If twice the father’s age is added to the son’s age the sum is 95.

asked Aug 27, 2015 by pady_1

0 answers

The pair of linear equations is said to be inconsistent

asked Aug 27, 2015 by pady_1

0 answers

For x = 2in 2x – 8y = 12 the value of y will be

asked Aug 27, 2015 by pady_1

0 answers

On representing x = a and y = b graphically we ge

asked Aug 27, 2015 by pady_1

0 answers

The pair of linear equations x = 2 and x = 5

asked Aug 27, 2015 by pady_1

0 answers

Graphically x – 2 = 0 represents

asked Aug 27, 2015 by pady_1

0 answers

Find the values of $\alpha$ and $\beta$ for which the following system of linear equations has infinite no of solutions. $2x+3y=7, 2\alpha x +(\alpha+\beta)y=28$

asked Aug 27, 2015 by pady_1

0 answers

The sum of two natural nos. is 25 and their difference is 7 . Find the numbers

asked Aug 27, 2015 by pady_1

0 answers

A number consists of two digits when it is divided by sum of the digits, the quotient is 6 with no remainder. When the number is diminished by 9, the digits are reversed. Find the number.

asked Aug 27, 2015 by pady_1

0 answers

The total cost of 10 erasers and 5 sharpners is at least Rs 65. The cost of each eraser cannot exceed Rs 4. Find the minimum possible cost of each sharpners.

asked Aug 27, 2015 by pady_1

0 answers

Harry has Rs 2 and Rs 5 coins with him . If he has total of 33 coins worth Rs 120 with him , how many Rs 5 coins does he have?

asked Aug 27, 2015 by pady_1

0 answers

The sum of the digits of a two- digit number is 7. If 9 is added to the number , the digits interchange their places. Find the number.

asked Aug 27, 2015 by pady_1

0 answers

The total expenditure per month of a house hold consists of a fixed rent of the house and the mess charge depending upon the number of people sharing the house. The total monthly expenditure is Rs. 3,900 for 2 people and Rs. 7,500 for 5 people. Find the rent of the house and the mess charges per head per month.

asked Aug 27, 2015 by pady_1

0 answers

Sum of successors of two numbers is 40 , whereas their difference is 6. find the two numbers

asked Aug 27, 2015 by pady_1

0 answers

state true or false . If x+y\leq 5, then either x\leq 5 or y\leq 5 or both .

asked Aug 27, 2015 by pady_1

0 answers

If \large\frac{1}{x+y}=\large\frac{1}{2} and \large\frac{1}{x-y}=\large\frac{1}{3} , then x = ..... and y=....

asked Aug 27, 2015 by pady_1

0 answers

If a+b=c and a-b=d then the value of b is ................ (in terms of c and d)

asked Aug 27, 2015 by pady_1

0 answers

For how many pairs of non-zero integers, x+y=0 and x-y=0?

asked Aug 27, 2015 by pady_1

0 answers

commom region for the inequations x\leq y and y\leq x is ..........

asked Aug 27, 2015 by pady_1

0 answers

The number of solutions for the simultaneous equations 3x+4y=12 and 4x-3y=18 is

asked Aug 27, 2015 by pady_1

0 answers

The equations $\large\frac{x}{a}+\large\frac{y}{b}=$$1$ and $\large\frac{x}{b}+\large\frac{y}{a}=$$1$ are inconsistent if

asked Aug 27, 2015 by pady_1

0 answers

If 2a+3b+4c=35 and 3a+5b+7c=30 , then a+b+c=?

asked Aug 27, 2015 by pady_1

0 answers

Cost of 5 pens and 7 notebooks is Rs 82 and cost of 4pens and 4 notebooks is Rs 52, Find the cost of 2 notebooks and 3 pens

asked Aug 27, 2015 by pady_1

0 answers

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