Approach ?
A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as those who learn none of the three. How many study all the three subjects? Ans is 3. pls post the explanation.
Please suggest me some good books for CAT for each section... I am preparing for cat'16...
if 3,2,2 are three altitudes of a triangle find the area & perimeter of the triangle.
A merchant baught two transistor which together cost him Rs 480.He sold one of them
at a loss of 15% and other at a gain of 19%.If the selling price of both the
transistor are equal.Find the cost of lower price transistor.
Please suggest good book for DI/LR
best site for clearing the basics of arithmetic?
The encircled ones. Approach ? What are extraneous roots ?
Que 18
Rose day is being celebrated in bayport engineering college. Between them, the 18 girl in the first year batch get 75 red roses. In how many ways could this happen, given that each girl gets at least 2 red roses.
Que 27 . Approach ?
How many 4 digits number exists such that sum of digits is equal to 7?? How many 4 digits number exists such that sum of digits is up to 7??
What is the remainder when 2^150 is divided by 81? Approach also
Help me in this for better approach which reduces time to solve..Q-27.
How many divisors of the number 2^7*3^5*5^4 have unit digit =5?
ho w many divisors of 360 are not divisors of 540 and how many divisors of 540 are not divisors of 360?
guys need help, I want to enroll for an online test series,
which test series is best for CAT2016?
is it too early to enroll ?? if yes then when should i enroll ?
Can someone explain :2 small square are chosen in chessboard at random.Probability or having common side. Ans 1/18.
I did not get the approach.
m is the smallest positive integer such that for any integer n > m, the quantity n^3 - 7n^2 + 11n - 5 is positive.
What is the value of m?
(1) 4
(2) 5
(3) 8
(4) None of these
Que 7