the minimum of (2x+1)**2 + (x+2) is at x =
the probability of getting at least in a single through of three coins is
two persons run a race of 100m. the winner won by (110/11)m and one second in time. find the speed of lsoer in met
xsqrt(0.09)=3 , then x equals
A says “the horse is not blackâ€. B says “the horse is either brown or grey. “C says “the horse is brown†At least one is telling truth and at least one is lying. What is the color of the horse?
If r = 5, n=3 and if first pole has 2 flags, third pole has 1 flag, how many ways can the flags be arranged?
In a lock of 4 rings there r five characters how many unsuccessful attempts can be made ?
X2 – (A-3)X +(A+3) = 0 for what value of A the sum of square of roots will be least ?
a solution is prepared by mixing two solution with sprit 20% & 60%…In what ration they should be mixed to get the 50% sprit in resultant solution .
‘a‘ number of persons work daily ‘b’ hours to produce ‘c’ items. If ‘d’ persons walks away from the group what will be the number of hours to produce ‘c’ items. ?
If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount, then wat % profit they make?
two workers can type two pages in two minuets then how many persons can type 18 pages in 6 minuets
Lucia is a wonderful grandmother and her age is between 50 and 70. Each of her sons have as many sons as they have brothers. Their combined ages give Lucia's present age.what is the age?
Reversing the digits of father's age we get son's age. One year ago father was twice in age of that of his son? find their current ages?
A Lorry starts from Banglore to Mysore At 6.00 a.m, 7.00 a.m, 8.00 a.m.....10 p.m. Similarly another Lorry on another side starts from Mysore to Banglore at 6.00 a.m, 7.00 a.m, 8.00 a.m.....10.00 p.m. A Lorry takes 9 hours to travel from Banglore to Mysore and vice versa.?