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 16/12/20

## The shapes of the hockey court and the shooting range are square and triangle respectively. Both of the courts have a common edge that touches the centre of stadium. The construction of the shooting range is such that the angle of centre is 60°. The radius of the stadium is 180 meters. 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 27/8/14

## Two lines are given to be parallel. The equation of one of the lines is 4x + 3y = 14. Find the equation of the second line.

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 8/6/12

## The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines ifa. a=b b. 3a = 2b c. 2a = 3b d. ab = 6

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 12/7/17

## Solve the following system of linear equation graphically : 3x+y-12=0 and x-3y+6=0 . Shade the region bounded by these lines and x axis . Also find the ratio of areas of triangle formed by the given lines with x axis and y axis

Subject: Maths, asked on 14/9/12

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

Subject: Maths, asked on 31/12/20

## Lavanya throws a ball upwards, from a rooftop, which is 20 m above from ground. It will reach a maximum height and then fall back to the ground. The height of the ball from the ground at time t is h, which is given by                                  h =− 4t^2 + 16t + 20 . On the basis of the given information, answer the following --> What is the maximum height reached by the ball?       (a) 54 m (b) 44 m (c) 36 m (d) 18 m

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 10/5/14

## if √ax-√by=b-a and √bx-√ay=0 then value of x,y is

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 19/9/13

## The pair of equations y=0 and y= -7 will have :(a) One solution (b) Two solutions(c) Infinitely Many solutions(d) No SolutionJustify your answer please!

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 11/5/12

## Find the value of k for 2x + 5y=0, kx+10y=0 has non zero solution. PLz fast tommorow is my fa

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 1/9/13

## Solve631x + 279y = 910279x + 631y = 910

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 9/8/14

## How many solutions does the pair of equations y=0 and y = -x has? explain

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 15/5/15

## A man lent a part of money at 10% p.a. and the rest at 15% p.a. his annual income is Rs.1900 . If he had interchanged the rate of interest on two sums , he would have earned Rs.200 more . Find the amount lent in each case. Please answer with the Explaination

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 14/4/15

## Find the value of k for which the following equations are inconsistent. x-4y=6; 3x+ky=5

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 5/1/21

## Prime Minister’s National Relief Fund was established to help the families of earthquake affected villages. The allotment officer is trying to come up with a method to calculate fair division of funds across various affected families so that fund amount and amount received per family can be easily adjusted based on daily revised numbers. The total fund allotted is formulated by the officer as: x 3 – 5x2 – 2x – 6 The officer has also divided the fund equally among families of the village and each family receives an amount of x2 + 2x + 1. After distribution, an amount of 11x + 1 should be left to have some buffer disbursements. On the basis of the above information, answer the following: i) How many families are there in the village? a) x + 7 b) x – 3 c) x – 7 d) x + 3 ii) If an amount of Rs 540/- is left after distribution, what is the value of x? a) 12 b) 23 c) 47 d) 49 iii) How much amount does each family receive? a) 1250 b) 2225 c) 2500 d) 2750 iv) What is the amount of fund allocated? a) 53,040 b) 93,990 c) 1,05,540 d) 1,16,040

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 30/3/17

## show that the system of equations 3x-5y=11 and 6x-10y=7 is inconsistent.

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 4/9/17

## a man travels 400 km partly by train and partly by car. if he covers half the distance by train and the rest by car, it takes him 4hrs 30mins. but if he travels 100 km by train and the rest by car it takes him 15 minutes longer . find the speed of train and car.

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