In order to fill an empty swimming pool completely, a pipe of larger diameter alone takes 10 hours less than the time taken by the pipe of smaller diameter alone. if the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter is used for 9 hours, half of the pool is filled. in how many hours will the pipe of larger diameter alone fill the pool.

Answer-  20 hr

2x²+ax-a²=0 solve for x

The numerator of a fraction is 3 less than its denominator. If one is added to the denominator, the fraction is decreases by 1/15. Find the fraction. Class 10 | Quadratic Equation

 

The Value of Sqrt(6+sqrt(6+sqrt(6+............. Is? ICSE MATHEMATICS

Given that 2 is a root of the equation 3x²-p(x+1)=0 and that the equation px²-qx+9=0 has equal roots, find the values of p and q

 

Class 10 | Math Trigo, Quadratic, Shares and Dividend, Ratio and Remainder FM 25

 

if m,,n are integers and m+n is a root of x^2+mx+n=0, find the maximum possible value of n^2 Class 10 | Quadratic Equation

 

Ans: 81

Class 10 Quadratic | 4x^2-(p-2)x+1=0 what is the value of p for equal roots.

 

ANS:  6 and -2

Class 10 Quadratic Equation | Find the Value of m so that the quadratic equation mx(5x-6)=0 has two equal roots.

 

Ans:  0 

If ad≠bc, then prove that the equation (a²+b²)x²+2(ac+bd)+(c²+d²)=0 has no real roots. Class 10 Quadratic Equation

 

Class 10 | Quadratic Equation | Solve : 9(x^2 - 1/x^2) - 9(x + 1/x) - 52 = 0

 

Class 10 CBSE Polynomials MCQ Question FM 20

FOR MORE CLASS 10 CHAPTER WISE MCQ TEST CLICK HAERE  

Without actual division, prove x^4+2x^3-2x^2+2x-3 divisible by x^2+2x-3

 

Class 10 A motor boat whose speed 18 km/hr in still water taken 1hr more to go 24 km upstream than to go return downstream.

 

Divide 15 into two part such that the sum of their reciprocal is 3/10. Find two part

 

Class 10 ICSE Math Question Find the value of m if the following equation has equal root : (m-2)^2-(5+m)+16=0

Class 10 ICSE Math Question chapter Quadratic Equation 

 

The sum of the ages of Vivek and his younger brother Amit is 47 years. The product of their ages in years is 550. Find their ages. Class 10 ICSE SELINA MATH EX 6E QUESTION 18

 

Some school children went on an excursion by a bus to a picnic spot at a distance of 300 km. While returning, it was raining and the bus had to reduce its speed by 5 km/hr and it took two hours longer for returning. Find the time taken to return. Class 10 ICSE SELINA EX 6E question 15

 

The total cost price of a certain number of identical articles is 4800 . By selling the articles of 100 each, a profit equal to the cost Price of 15 articles in made find the number of article bought . class 10 ICSE SELINA MATH Ex 6D Question 12

 

Class 10 ICSE Selina MATH EX 6D question 4 The ages of two sisters are 11 years and 14 years. In how many years time will the product of their ages be 304?