In equation $$ {x^{2}-24x+k=0}$$ the first root is x=2 then find out  the second root of equation.

Three science classes A, B and C take a Science test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. Then the average score of classes A, B and C is

The area of a square is 1764 cm² . The length of a rectangle is 4/7 of the side of the square and breadth of the rectangle is half its length. What is the perimeter of the rectangle?

lf p + m = 6 and p³ + m³ = 72, then the value of pm is: 

If a + b = -2 and a - b = 12, find b. 

In how many different ways can the letters of the word ‘CREAM’ be arranged?

A sum of Rs 5,000 amounts to Rs 7,200 in 8 years at a certain rate percent p.a, interest compounded yearly. What will be the compound interest on a sum of Rs.6,550 in 4 years at the same rate of interest?

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?