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.?
A person is 80 years old in 490 and only 70 years old in 500 in which year is he born?
How many ways can one arrange the word EDUCATION such that relative positions of vowels and consonants remains same?
If Ever + Since = Darwin then D + a + r + w + i + n is ?
If POINT + ZERO = ENERGY, then E + N + E + R + G + Y = ?
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2. What is the another side of the triangle?
SEND + MORE = MONEY. Then what is the value of M + O + N + E + Y ?
The hour hand lies between 3 and 4. Tthe difference between hour and minute hand is 50 degree.What are the two possible timings?