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Rohitha Dommeti

· started a discussion

· 1 Months ago

wrong solution (Question:110164.2)

In the question, it is asked how many statements is/are true.
so we need to tell the count, not the statement number.
so, as explanation, it is clearly given only 3rd statement is true. so answer(number of statements true) is 1

Question:

DIRECTIONS: Read the following passage and solve the questions based on it.


Manu, an intelligent baby girl, plucks apples from her father’s orchard on ten consecutive days. When asked by her mother as to how many apples has she plucked from the orchard daily, she gives the following sheet to her mother:




Disregarding table 2, how many of the following statements are definitely true?


I. Number of apples plucked on day 2 is more than the number of apples plucked on day 5.


II. Number of apples plucked on day 3 is more than the number of apples plucked on day 5.


III. Sum of the apples plucked on day 1 and day 2 is less than the sum of the apples plucked on day 4 and day 5.


IV. Sum of the apples plucked on day 2 and day 3 is less than the sum of the apples plucked on day 3 and day 4.
Options:
A) 0
B) 1
C) 2
D) 3
E) None of these
Solution:
Only statement III is true.


No of apples plucked on

Day 1     (1+2+3) + (4+5+6) – (2+3+4+5+6)= 130+145-225 = 50

Day 2     (2+3+4)+ (5+6+7)- (3+4+5+6+7) = 150 + 140 -265 = 25

Day 3     (1+2+3) + (3+4+5) – (1+2+3+4+5+6) = 130+ 165 -240 = 55

Day 4     (2+3+4) + (4+5+6) – (2+3+4+5+6) = 150+ 145 -225 =70

Day 5     (3+4+5) + (5+6+7) – (3+4+5+6+7) = 165 + 140 -265 = 40

Day 6     (4+5+6) + (6+7+8) – (4+5+6+7+8) = 145+160-270 =35

Day 7     (5+6+7) + (7+8+9) – (5+6+7+8+9) = 140+175-250=65

Day 8     (6+7+8) +(8+9+10) – (6+7+8+9+10) = 160+155-255=60

Day 9     (4+5+6) + (7+8+9) – (4+5+6+7+8) = 145 + 175 -270 = 50

Day 10   (5+6+7) + (8+9+10) – (5+6+7+8+9) = 140 + 155 – 250 = 45



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