In cat entrance examination paper there are 3 sections, each containing 5 questions. a candidate has to solve 5,
choosing at least one from each section. the number of ways he can choose is
op 1: 2,500
op 2: 2,250
op 3: 2,750
op 4: 3,250

The best and most correct answer providedfrom your question about the entrance examination paper is the second option which is 2,250. The problem can be solved by:

3-1-1 : 5c3*5c1*5c1 *3!/2! = 750 
2-2-1 : 5c2*5c2*5c1 *3!/2! = 1500

Adding the two answers:

750 + 1500 = 2250

I hope it has come to your help.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!