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Let the total number of questions be x. then, Percentage need in exam = 60% Correct answer = 150 percentage = (correct answer)/(total questions) 
100 60 = (150/x) × 100 x = 250 Alternate method Given that 150 ≡ 60% 1 ≡ 10/25 % 250 ≡ 100% Total number of questions = 250
Statement:
I) No A is B
II) No B is C
III) Some D are C
IV) All D are E
Conclusion:
I) Some E are not D
II) Some A are C
III) No C is A
Statements: Some ractangle are envelope.
All envelope are square.
...
In the questions given below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be ...
Which of the following means K is grandmother in law of M?
How many children does Mr. Raman has?
I. Mr. Raman has eight sons and each has one sister.
II. Number of sons of Mr. Raman is eight times ...
In this question, after two statements I and II two conclusions have been given. Assuming the given in the statement together as truth, consider both th...
Statements:
All Pearl are Flower.
Some Bud are Pearl.
No Flower is a Stem.
Conclusions:
I. Some Bud are Flower is a p...
