How To Prove 3 + 3 = 8 || IQ Test For Genius Students

The ratio of the number of students in two classrooms A and B is 3 : 2 . If ten students shift form A to B, the ratio becomes 7 : 8 . Now how many students must shift from A to B in order for the ratio to become 8 : 7 ?

In class , 70 students wrote two tests, viz,. Test-I and Test-II. 50% of the students failed in Test-I and 40% of the students failed in Test-II. How many students passed in both the tests?

The marks (out of 10) obtained by 28 students in a Mathematics test are listed as below: 8, 1, 2, 6, 5, 5, 5, 0, 1, 9, 7, 8, 0, 5, 8, 3, 0, 8, 10, 10, 3, 4, 8, 7, 8, 9, 2, 0 The number of students who obtained marks more than or equal to 5 is

In a certain class, one-third of the students were absent. Half of the total strength the Maths test and one-fourth of the total strength attended the Physics test. If 6 students attended both the tests and every students who was present attended at least one of the two test, how many students were absent on that day ?

42% of the total number of student passed in a class test. How many students failed, if the total number of students in the class is 1450 ?

Ten IIT and 2 DCE students sit in a row. The number of ways in which exactly 3 IIT students sit between 2 DCE students is a). "^10C_3 x 2! x 3! x 8! (b). 10! x 2! x 3! x 8! (d). none of these