If (a + b) = 7 and ab = 9, then find the value of (a2 + b2).
A takes 8 hours more than the time taken by B to cover a distance of 160 km. If A doubles his speed. he takes 3 hours more than B to cover the same dist...
If x + 1/x = 5 then find out the value of x⁵ + 1/(x⁵)?
125 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children...
If 
= 4 then
When positive numbers x, y and z are divided by 31, the remainders are 17, 24 and 27, respectively. When (4x - 2y + 3z) is divided by 31, the remainder ...
