If set A = {1, 2, 3, 4, 5} and set B = {a, b, c, d}, then how many onto functions are possible from set A to set B? answer is 240.. can somebody explain the method..
If 2 |x| + 3 |y| = 10 and |x| - [x] = 8, where |x| denotes the absolute value of x and [x] denotes the greatest integer less than or equal to x then what is the value of x?
A = 10 x w^9 x X^7 x y^3 and B = 50 x w x X^13 x z^4, where w, x, y and z are distinct prime numbers greater than 10. If
C = A x B, find the number of those common multiples of A and B that are factors of C.
Five men and 3 women can do a piece of work in 4 days by working 5 hours per day. Three men and 5 women can do the same work in 5 days by working 6 hours per day. How many women are required along with 2 men to complete the same work in 3 days by working 4 hours per day?...plzzz...explain
In a class students can take one or more out four subjects English, Math, Physics and Chemistry. 110 take English, 100 take Math, 55 take Physics and 130 take Chemistry. Each student must take at least one subject. 20 take only English, 10 take only Math, 5 take only Physics and 80 take only Chemistry. What is the maximum possible number of students in the class?
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Is there any number substitution method to solve this question ? i'm taking x and y as 1 and trying to find.
but my answer is coming wrong. Btw OA :A
guys can anyone tell me from where can i access the CL smartcracker in the SIS portal?
If x2 - Px - Q = 1 and x2 - Qx + P - 2Q = 10, where P and Q are integers and P > Q, have a common integral root,
how many different values can (P - Q) have?
If 3a +1/(5a)=3 then 25a^2 +1/(9a^2)=?
IF P AND Q ARE TWO POINTS ON THE LINE 3X+4Y=-15 SUCH THAT OP=OQ=9 THE AREA OF TRIANGLE OPQ WILL BE?
What is the unit digit of (2^10)3 in base 3?
Approach please.
Note : 3 is in subscript.
GIVEN TWO EQUATIONS OF SIDES OF A TRIANGLE HOW TO FIND THE THIRD ONE(TRIANGLE IS ISOSCELES)?
V, which has three factors, is a factor of 720. How many values of V are possible?
Ajay tore away one of the pages of his book. Later, Anil figured that the average of the page numbers of the remaining pages is 1283/19. Find the page numbers of the pages that Ajay tore away. (Assume that the pages are numbered starting from 1.)
A chessboard comprises of 64 2*2 cm square. A circular coin of radius 1 cm is thrown , what is the probabilty that no part of this coin overlaps with any squares on the boundary of the chess board?
What is the remainder when 1!+2!+3!+4!+...+55!/12?
Options are 1,3,5,7 and 9...
Approach please??
How many numbers are there less than 100 that cannot be written as a multiple of a perfect square greater than 1?
Pipe A can fill a tank in an hour and pipe B can fill the same tank in 5/4th of an hour. Both the pipes are turned on for 15 minutes when the tank was 5 % full. After 15 minutes, the faster pipe was shut off. 15 more minutes later a drain pipe at the bottom was opened and it drained the tank in 15 minutes. How long does the drain pipe take to empty a full tank?
Dosto ko avoid kaise karu....? They are creating trouble in my preparation.... 😞