Statement- some cats are rats
some rats are ants
some ants are flies
conclusion- some flies are rats
some ants are not rats
No rat is fly
No cat is fly
options- only 1 and 4 follow
only 2 follow
only 1 and 2 follow
none of these
plz explain
Is there any formula for finding number of solutions of 1) ax+by+cz=d 2)a/x + b/y=1/c 3) a/x - b/y=1/c 4) x^2 - y^2=z ???
43. Three pipes A, B and C can fill a cistern in 15, 20 and 30 min respectively. They were all turned on at the same time but after 5 min the first two pipes were turned off. In what time will the cistern be full?
1) 7.5 min 2) 5 min 3) 13 min 4) 12.5 min 5) None of these
44. Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?
1) 1hr 2) 2 hr 3) 6 hours 4) 8 hours 5)None of these
please explain it in breifly
3,6,9,15, ?? ,1650
A number when successively divided by 3, 5 and 8 leaves remainders 1, 4 and 7 respectively. Find the respective remainders if the order of divisors be reversed.
Please post the procedure as well. Thanks! 😃
@ time and distance
7. Two buses travel to a place at speed of 95 kmph and 60 kmph respectively. If the second bus takes 52 hours more than the first for the journey, then what is the length of the journey?
On dividing 2272 as well as 875 by a 3-digit number N, we get the same remainder. What is the sum of the digits of N?
Please post the procedure as well. Thanks! 😃
A few lectures which helped me last year, check these out, might help you guys 😃
https://www.youtube.com/playlist?list=PLOiyIhFZ-Rh-jJXv3ggCZFX43qf79ANEH
Which of the following numbers will completely divide (49^15 - 1)?
a. 8
b. 14
c. 48
d. 50
Please post the procedure as well. Thanks! 😃
If x and y are positive integers such that (3x+7y) is a multiple of 11, then which of the following will be divisible by 11?
a. 4x + 6y
b. x + y + 4
c. 9x + 4y
d. 4x - 9y
Please post the procedure as well. Thanks! 😃
Please give an alternate solution to the trial and error method if possible.
Find the highest power of 3 that divides 4^84 -1
If a^2+b^2+c^2 =1, then what is the range in which ab+bc+ca lies?
A) [-1/2,3]
B)[-1/2,1]
C) [-2,1]
D) [-1,1]
In triangle
Provide the solution.
If f(x) = max {x2 - 4, -4x, 4x}, then find the minimum value of f(x).
-4,-2,1,0
i
in how many ways can 6 distinct letters be put in 2 identical boxes?
1 .7
2 .64
3 .32
4 .42
Hi guys, could some one please help me I want to know the best online courses available to take crash course or online classes for CAT and NMAT
1. What is the volume of a cubical box in cubic centimetres?
(I) One face of the box has an area of 49 sq.cms.
(II) The longest diagonal of the box is 20 cms.
the answer is ==both together are not sufficicent
please xplan?
7. x is not equal to 0, is x + y = 0? (I) x is the reciprocal of y (II) x is not equal to 1
ans is
If statement (I) alone is sufficient but statement (II) alone is not sufficient
please xplain
is there a shortest way available by using some values ?
http://s10.postimg.org/50o7qh7zt/screenshot_856.jpg
Answer : D