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Q #16
:

Directions: Read the rules listed below.

  1. Statement (a) ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient. 
  2. Statement (b) ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient. 
  3. BOTH statements (a) and (b) TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient. 
  4. Each statement ALONE is sufficient to answer the question. 
  5. Statements (a) and (b) TOGETHER are NOT sufficient to answer the question.

A number of the format x9999y and it is divisble by 99999. What is the value of x?

  1. x = 2y
  2. x + y =9

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Explanation: The rule is that any no. of the format x9999y is multiple of 99999 , if x + y +9, so it can be answered with option (a). Option(b) is a fact.

Q #17
:

Directions: Read the rules listed below.

  1. Statement (a) ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient. 
  2. Statement (b) ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient. 
  3. BOTH statements (a) and (b) TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient. 
  4. Each statement ALONE is sufficient to answer the question. 
  5. Statements (a) and (b) TOGETHER are NOT sufficient to answer the question.

What is the two digit number whose first digit is A and whose second digit is B?

  1. 2A + 3B = 11A +2B
  2. The two digit number is a multiple of 19.

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Explanation: On simplifying 9A =B , But B can’t have value more than 9 , so B=9 and A=1.

Q #18
:

Directions: Read the rules listed below.

  1. Statement (a) ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient. 
  2. Statement (b) ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient. 
  3. BOTH statements (a) and (b) TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient. 
  4. Each statement ALONE is sufficient to answer the question. 
  5. Statements (a) and (b) TOGETHER are NOT sufficient to answer the question.

What was Mr Sameer’s salary for the month of August ?( 6 working days in a week) 

  1. He was paid at the rate of Rs 5 per day.
  2. He was paid for all days except Sundays.

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Explanation: You don’t know how many Sundays are there is that month.So , you won’t be able to calculate the salary for the month.

Q #19
:

Directions: Each question is followed by two statements. You have to decide whether the information provided the statements is sufficient for answering the question.

What is the average mark of the entire class of 300 students?

  1. The boys are twice in number than the girls, and their average mark is 78%, which is 3% more than the average marks of the girls.
  2. The average mark of the girls is 4% more than average marks of the boys whose average is 84% given that number of boys is same as number of girls.

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Explanation: From statement I, Let the number of girls = x Number of boys = 2x • Average marks of the class = = 77% Statement II. Number of boys = Number of girls = x(say) • Average marks of the class Hence, either of the statements alone is sufficient to give a solution.

Q #20
:

Directions: Each question is followed by two statements. You have to decide whether the information provided the statements is sufficient for answering the question.

How many students from the top 20 rankers in the institute are Commerce graduates if it is known that none of the top five rankers are Commerce graduates?

  1. None of the last four out of the top 20 rankers are Commerce graduates.
  2. At least 8 of the top 15 rankers and not more than 8 of the last fifteen out of 20 top rankers are Commerce graduates.

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Explanation: Form statement II alone we can get the answer. If there are at least eight commerce graduates in the to 15 they must be in the ranks 6 to 15 only (because the top 5 are not commerce graduates). When we consider the last 15 of the to 20, since this will be from 6 to 20 all the eight or more commerce graduates in the ranks 6 to 15 should also be counted here. That means, at least 8 commerce graduates must be there from 6 to 20. But statement II itself says that there are not more than 8 commerce graduates from ranks 6 to 20. This means, there are exactly eight commerce graduate from 6 to 20 or in other words, there are 8 commerce graduates in the to twenty rankers.