Subject: Maths, asked on 11/2/13

## A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstreamthan to return downstream to the same spot. Find the speed of the stream.

Subject: Maths, asked on 9/3/20

## Solve for x (2x/x-5)? + (2x/x-5) - 24= 0 x not equal to 5

Subject: Maths, asked on 2/4/15

## explain componendo and dividendo....

Subject: Maths, asked on 13/11/16

## if the roots of the quadratic equation 2x square + 8x +k =0 are equal , then  find the value of k .

Subject: Maths, asked on 3/3/15

## If one root of the quadratic equation kx2-14x+8=0 is 6 times the other, then find the value of k.

Subject: Maths, asked on 19/2/13

## If -4 is a root of the quadratic equation x2+px-4=k and the quadratic equation x2+px+k=0 has equal roots. Find the value of k

Subject: Maths, asked on 18/11/12

## two water taps together can fill a tank in 9(3/8 ) hours . the tap of the larger diameter takes 10 hours less than smaller one to fill the tank seprately.find the time in which each tap can seprately fill the tank.

Subject: Maths, asked on 27/3/16

## find the value of k such that 5/2 is a root of the quadratic equation 14xsq - 27x + k = 0

Subject: Maths, asked on 29/12/12

## solve;1/a+b+x=1/a+1/b+1/x

Subject: Maths, asked on 28/2/15

## If (x square +y square) (a square+b square)=(ax+by)square, prove that, xa=yb

Subject: Maths, asked on 9/3/13

## If the roots of the equation(a-b)x2+(b-c)x+(c-a)=0 are equal , prove that b+c=2a.

Subject: Maths, asked on 17/12/20

## Write the discriminant of the quadratic equation x2 + 4x + q = 0..

Subject: Maths, asked on 7/3/13

## if the roots of this equation (a2 + b2)x2 - 2(ac +bd)x + (c2 + d2)=0are equal prove that a/b =c/d{plz note: i was trying to put 2 as square and it wasn't working,so all the twos exept the one in b are squares }Plz help me solving this question

Subject: Maths, asked on 31/1/21

## Write a quadratic polynomial the sum of whose zeroes is -3 and product is -10. pls explain and how to do it

Subject: Maths, asked on 12/12/12

## solve for x:-a/(x-a) + b/(x-b) = 2c/(x-c)

Subject: Maths, asked on 18/7/19

## is the method of completing the square excluded from the CBSE syllabus of class 10 for board exam Is there anything else in other chapters which is excluded from the current portions of CBSE syllabus Class 10

Subject: Maths, asked on 3/1/12

## At present Asha's age is 2 more than square of her daughter Nisha's age. When Nisha grows to her mother's present age, Asha's age would be one year less than 10 times the present age of Nisha. Find the present age of both Asha and Nisha.?

Subject: Maths, asked on 26/1/15

## The product of four consecutive natural numbers is 360. find the numbers.

Subject: Maths, asked on 3/11/13

## solve for x :root 3x2- 2 root 2x- 2 root 3=0

Subject: Maths, asked on 23/3/17

## The root of the quadratic equation x^2+5x-(alpha+1)(alpha+6)=0 where alpha is the constant are, 1. ​alpha+1, alpha+6 ​2. alpha+1, -(alpha+6) ​3. -(alpha+1), alpha+6 ​4. -(alpha+1), -(alpha+6)

Subject: Maths, asked on 26/2/12

## Find the positive value of k, for which the equation x2 + kx + 64 =0 and x2 - 8x + k=0 will both have real roots.

Subject: Maths, asked on 4/12/17

## x-y=8 and p=7x2-12y2, where x,y>0, what is the maximum possible value of p? (A) 1075.2 (B) 352.8 (C) 957.6 (D) 604.8

Subject: Maths, asked on 2/6/15

## the speed of a boat in still water is 15 km / hr . it can go 30 km upstream and return downstream to the orginal point in 4 hours and 30 minutes . find the speed of the stream .

Subject: Maths, asked on 24/10/13

## For what value of p the equation (1 + p) x2 + 2(1 + 2p) x + (1 + p) = 0 has coincident roots

Subject: Maths, asked on 4/3/11

## Two Pipes running together can fill a cistern in 3 1/13 minutes.If one Pipe takes 3 miutes more than the other to fill it, find the time in which each pipe would fill the cistern.

Subject: Maths, asked on 25/10/20

## For what valua of "a" the quadratic equation 30ax?-6x+1=0 has no real roots?

Subject: Maths, asked on 22/2/12

## Seven years ago Varun's age was five times the square of Swati's age. Three years hence Swati's age will be two fifth of Varun's age. Find their present ages.

Subject: Maths, asked on 10/2/17

## Solve x^2 + ( a + a+b + a+ b +a )x + 1 =0

Subject: Maths, asked on 29/2/12

## 4x2 + 4bx - (a2 - b2 ) = 0 please solve this equation................

Subject: Maths, asked on 24/10/12

## use quadratic formula to solve :x2+2ax+(a2-b2)=0

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