If a+b=6, ab=5, the value of a-b is:
4
5
6
7
Additional Questions
|
|X - 5| + 4 > 0 and |X2| < 4. Then x can be: |
Answer |
|
If f(x) = sum of all the digits of x, where x is a natural number, then what is the value of f(101)+f(102)+f(103)+ .. +f(200)? |
Answer |
|
Pawan is a very confused person. Once he wrote 1+2+3+4+5+6+7+8+9+10 = 100. In how many places you need to change + with * to make the equality hold good ? |
Answer |
|
What is the highest power of 82 contained in 83!-82! ? |
Answer |
|
If x = 0.75, then what is the value of the expression (1+x+x2) + x3/(1-x) ? |
Answer |
|
If a lies between 2 and 3, both included, and b lies between 4 and 6, both included, then what is the ratio of minimum and maximum limits of a2-b2? |
Answer |
|
If a, b, c are roots of the equation 1x3-4x2+6.5x + 3.5 = 0, then what is the value of a2 + b2 + c2? |
Answer |
|
If |x| + |y| = 7, then what is the sum of minimum and maximum values of x + y? |
Answer |
|
832.58-242.31 =779.84- ? |
Answer |
|
Which is the closest approximation to the product 0.3333 * 0.25 * 0.499 * 0.125 * 24 ? |
Answer |