Subject: Maths, asked on 8/12/12

## If the point P(x,y) is equidistant from the points A(a-b, a+b) and B(a+b, b-a) then prove bx=ay.

Subject: Maths, asked on 20/7/12

## A villager wentto a hotel in a town with his big family. They consumed 23 idlies, 18 pooris, 7 dosas and 19 vadas. The bill come to Rs. 108. On next day, they consumed 34 idlies, 8 vadas, 22 pooris and 7 dosas. The bill came to Rs. 114. If an idli costs the same as a vada, what is the cost of one poori?

Subject: Maths, asked on 28/3/11

## I am a paid user of meritnation.Q.1=DRAW THE GRAPH OF x+y+1=0 and 3x +2y-12=0.Determine the coordinates of the vertices of the triangle formed by these lines and x axis .Calculate the area bounded by these lines and x axis.

Subject: Maths, asked on 10/6/16

## Solve by substitution method : 2x - y = 2 and x + 3y = 15

Subject: Maths, asked on 1/6/13

## how to solve (a-b)x + (a+b)y = (a2-2ab-b2) , (a+b) (x+y)=a2+b2. by cross multiplication method

Subject: Maths, asked on 28/5/16

## 53x + 67y = 293 67x + 53y = 307

Subject: Maths, asked on 5/8/12

## a plane left 30 minutes later than the scheduled time and inorder to reach the desination, 1500km away in time. It has to increase the speed by 250km/h from the usual seed. Find the usual speed?

Subject: Maths, asked on 27/7/15

## a sports teacher has to spend RS1300 when he purchases 10 footballs and 20 hockey sticks from a shop. however if he purchases 15 footballs and 15 hockey sticks the amount spent is rs 1350. find the cost per football and hoockey stick

Subject: Maths, asked on 14/9/12

## solve for x and yx / a + y / b = 2 ; ax - by = a2 - b2

Subject: Maths, asked on 17/7/11

## draw the graph of the equation y=2x-2 and y=4x-4 and find the area of the triangle bounded by these lines and axis by y.

Subject: Maths, asked on 28/6/15

## A boat goes 30 Km upstream and 44 KM downstream in 10 hours.In 13 hours, it can go 40 KM upstream and 55 KM down- stream. Determine the speed and that pf the boat in still water....???? kindly explain this question....

Subject: Maths, asked on 28/4/17

## Please do this for me Procedure 1. Take the first pair of linear equations in two variables of the form 2x - 3y = 3 ;    3x - 4y = 5 2. Obtain a table of ordered pairs (x, y), which satisfy the given equation. Find at least three such pairs of   each equation. For 2x - 3y = 3   x       y       For 3x - 4y = 5     x       y       3. Plot the graphs for the two equations on the graph paper. 4. Observe if the lines are intersecting, parallel or coincident and note the following.

Subject: Maths, asked on 14/6/15

## 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish in 3 days. find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone

Subject: Maths, asked on 29/7/17

## x[a-b+ab/a-b)=y[a+b-ab/a+b] x+y=2a2 solve it using elimination method.please don't send links and send a picture if possible.

Subject: Maths, asked on 7/6/15

## A man travels 600km partly by train and partly by car. If he covers 400km by train and the rest by car, it takes him 6 hours and 30 minutes. But if he travels 200 km by train and rest by car, he takes half an hour longer. Fine the speed of the train and that of the car

Subject: Maths, asked on 18/4/15

## THERE IS A CERTAIN RECTANGULAR FLOOR SUCH THAT IF IT HAD BEEN 2MBROADER AND 3 M LONGER IT WOULD HAVE BEEN 64 SQ.M UNIT LARGER . BUT IF HAD BEEN 2M BROADER AND 3M LONGER IT WOULD HAVE BEEN 68 SQ.M LARGER FIND THE LENGTH AND BREADTH OF THE FLOOR

Subject: Maths, asked on 11/5/13

## Students of a class are made to stand in rows. If one student is extra in a row, there would be 2 rowsless. If one student is less in a row there would be 3 rows more. Find the number of students in theclass.

Subject: Maths, asked on 3/8/15

## 0.4 (x-3) = 0.05 (y+2) 0.2 (x+y) = 0.1 (6y+8) Solve the pair of equation by cross multiplication method

Subject: Maths, asked on 28/7/11

## Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their sppeds.

Subject: Maths, asked on 29/4/17

## plot these graphically 6x+10y=4 and 3x+5y=-11 and solve these equations too.

Subject: Maths, asked on 2/6/12

## Places A and B are 100 km apart on a highway. One car starts from A and anotherfrom B at the same time. If the cars travel in the same direction at different speeds,they meet in 5 hours. If they travel towards each other, they meet in 1 hour. Whatare the speeds of the two cars?

Subject: Maths, asked on 13/6/20

## The cost of 10 masks 15 and sanitizer bottle is rs 945 and that of 15 masks and 10 sanitizers bottles is rs 775. Find the cost of one mask and a sanitizerr bottles.

Subject: Maths, asked on 4/7/12

## for what value of K will the following pair of linear equation have no solution3x+y=1(2k-1)x+(k-1)y=2k+1

Subject: Maths, asked on 4/9/17

## 6 ( I ) Q.6. Solve the following pairs of equations: (i) 5m - 5n = 12; 2m + 9n = 20

Subject: Maths, asked on 27/6/10

## A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster, it would have taken 2 hours less than the scheduled time. And if the train were slower by 10 km/h; it would have taken 3 hours more than the scheduled time. Find the distance covered by the train.

Subject: Maths, asked on 16/6/13

## a milkman has a drum half full of milk and a largerone twice the capacity of the smaller onewith 1/4 full of milk. he sdds water to both the drums such that both the drums are full. the milk in both the drums are emptied intoa tub. what is the fraction of milk to that of water in the tub?

Subject: Maths, asked on 12/5/13

## A train covered a certain distance at a uniform speed. If the train would have been 6km/hr. faster, it would have taken 4 hours less than the scheduled time. And if the train were slower by 6km/hr. it would have taken 6 hours more than the scheduled time. Find the length of the journey.

Subject: Maths, asked on 28/9/13

## Solve for x and y :x+1/2-y+4/11=2x+3/2+2y+3/17=5

Subject: Maths, asked on 12/4/12

## A sailor goes 8 km downstream in 40 minutes and returns in 1 hour.Determine the speed of the sailor in still water and the speed of the current?

Subject: Maths, asked on 18/8/13

## 3. When lines l1 and l2 are parallel, then the graphical solution system of linear equation have(a) infinite number of solutions (b) unique solution (c) no solution (d) one solution

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