How many 3 digits no are there which are divisible by 4 and 15 but not by both 4 and 15??
Approach ?
Thirty six numbers are filled in the cells of a 6*6 matrix. Six numbers are chosen from the matrix such that no two numbers belong to the same row or the same column. In how many ways can the numbers be chosen?
a. (6^2 × 5^2 × 4^2 × 3^2 × 2^2 × 1^2)
b. (6 × 6 × 6 × 6 × 6 × 6)
c. 720
d. None of these
easy one !
Train A traveling at 60 km/hr leaves Mumbai for Delhi at 6 P.M. Train B traveling at 90 km/hr also leaves Mumbai for Delhi at 9 P.M. Train C leaves Delhi for Mumbai at 9 P.M. If all three trains meet at the same time between Mumbai and Delhi, what is the speed of Train C if the distance between Delhi and Mumbai is 1260 kms?
there r 5 parameters a,b,c,d,e on which MBA coaching institutes are evaluated. there r 100 coaching institutes in all. each institute fulfills at least one of the above criteria. the following additional info is given-no of institutes fulfilling parameter a-33, b-26,c-39,d-34 and e-19
find max n min no of institutes which fulfill
a)exactly one criterion
b) exactly 2 criteria
c) exactly 3 criteria
d) exactly 4 criteria
e) exactly 5 criteria
can anybody explain the approach
please explain how is cutting a Cube in 8 equal parts and further cutting these individual sub-parts in another 8 cubes, same as cutting cube in 64 pieces ?
Sm1 please tell me the approach::
A portion of a 30 m long tree is broken by a tornado and the top strikes the ground making an angle of 30º with the ground level. The height of the point where the tree is broken is equal to:
(a) 10 m
(b) 30/√3 m
(c) 30√3 m
(d) 60 m
Two posts are 25m and 15m high and the line joining their tips makes an angle of 45º with horizontal. Distance b/w these 2 posts::
a. 5
b. 10
c. 10 / _/2
d.10 _/2
PnC concept check....In how many ways can you distribute 130 liters of water into a red,blue and yellow bucket such that they contain water in integral liters.....given each can hold a max of 50 liters????? :)
PFA ...
What is the maximum possible integer value of p if 7 × 8 × 9 × 10 × ... ×135 = n × (720)p, where n is a natural number?
if 1 is added to th product of 2 prime nmbrs th reuslt is a perfct square..hw many pairs of sch orime nmbrs exist amng th frst 25 primes
7
8
6
9
if 1+ 2+3+4+5+6+7+8+9+10=100 ,then in how many places you need to change '+ with 'x' to make equality hold good
a square intersects a circle at 8 points.the area of the circle outside the square is equal to area of the circle inside the square.if the radius of circle is "r"then find the max area of the square
Three friends P,Q and R go to a Park. Each of the three is accompained by his
father and his Grandfather. In how many ways can these nine people stand in a
queue at the entry gate if no father wants to stand ahead of his
son in the queue? Approach plz......
Three dice are rolled.The number of possible outcomes in which at least one dice shows 5 is
a)215
b)36
c)125
d)91
e)None of these.
Don't know the answer.Please share the approach and answer.
A Bit Tricky !
A tank has dimensions 18m x 10m x 8m. A drain pipe can empty the tank in 50 hrs.An inlet pipe supplies water at a rate of 6 lites/sec.If both the pipe are opened at the same time then in how much time it take to empty the tank ?
Q) A dice is rolled three times and the sum of the numbers appearing on the uppermost face is 15. The chance that the first roll was a four is:A. 2/5B. 1/5C. 1/6D. None of these
In a rectangle ABCD with AB is the diameter at. The semi circle intersects CD at point P and Q. M is a point of AB such that PM is perpendicular to AB. If the perimeter of rectangle AMPD and MPCP is 18cm and 36 cm respectively. Find the area of the semi circle.
aimcat 1420 ka question!! some one xplain tis !
there r 5 parameters a,b,c,d,e on which mba coaching institutes are evaluated. there r 100 coaching institutes in all. each institute fulfills atleast one of the above criteria. the following additional info is given-no of institutes fulfilling parameter a-33, b-26,c-39,d-34 and e-19 find max n min no of institutes which fulfill
a)exactly one criterion
b) exactly 2 criteria
c) exactly 3 criteria
d) exactly 4 criteria
e) exactly 5 criteria