In each question, you are given certain data followed by two statements. For answering the questions.
Mark a, if any one of the two statements is sufficient to answer the question.
Mark b, if either statement alone is sufficient to answer the question.
Mark c, if both the statements together are necessary to answer the question, but neither statement alone is sufficient.
Mark d, If even both the statements together are insufficient to answer the question.
Q1. What is the area of triangle ABC?
I. Two of its sides are 6cm and 7cm.
II. Its area is at least 21 sq. cm
Q2. If a + b + c = 7, what is the value of 1/a + 1/b + 1/c ?
I. a, b and c are distinct natural numbers.
II. a + c = 3
Q3. Is - |a +b | > a^3 + b^3 ?
I. a + b = 0
II. a – b = 0
Q4. x distinct things can be put into 3 distinct boxes in y ways. What is the value of X?
I. Y = X^3
II. Y = 3^X
Q5. In a community 80% of the people are idiots. What is the percentage of rascals ? In this community people are one or more of three, idiots and stupids.
I. 17% people are stupid
II. 3% people are rascals only.
My answers are
Q1. c
Q2. a
Q3. a
Q4. a
Q5. d
From Statement 1
a + b + c = 7 and all are diff natural number
Possible values are 1 , 2, 4
It doesn’t matter what are the values of a, b and c are. . .value of 1/a + 1/b + 1/c ‘ll be always same
Answer b
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