Total boys = [ Malay's place from starting + Malay's place from end ] ?1
Total boys = [13 + 17] ? 1 = 29
Number of passed students = [ Malay's place from starting + Malay's place from end ] ?1
Number of passed students = [8 + 13] ? 1= 20
? Number of failed students = 29 ? 20 = 9
According to question,
'P' is neither as tall as 'M' nor as short as 'O'.
M > P > O .............................(1)
'N' is shorter than 'P' but taller than 'O'.
P > N > O...............................(2)
After comparing the equation (1) and (2),
we will get,
M > P > N > O
The correct order of dolls according to descending order of their heights are : M > P > N > O.
Therefore, Anvi will purchase the doll M.
According to given question,
If the positions of the first and the sixth digits of the group of digits 5904627813 are interchanged.
New number after interchange = 2904657813
Then the positions of the second and the seventh are interchanged.
New number after interchange = 2704659813
fourth from the right end after the rearrangement is 9.
In the original group of digits '7' is fourth from the right, which is interchanged with '9'.
According to question,
Mohini goes to movies only on Thursday. she went nine days back to movies. Then 9 days back it was Thursday.
7th day will be Thursday , then 8th day will be Friday and 9th day it means today will be Saturday.
Let the number of boys be B.
Then, number of girls = 2B.
? B + 2B = 60
or 3B = 60
or B = 20.
So, number of boys = 20 and number of girls = 40.
Number of students behind Kamal in rank (60 ? 17) =43.
Number of girls ahead of Kamal in rank = 9.
Number of girls behind Kamal in rank = (40 ? 9) = 31
? Number of boys behind Kamal in rank = (43 ? 31) = 12.
Look at Meeta's father's and brother's statement carefully. According to their statement it is clear that Meeta's father birthday is after 10th July but before 12th July. Thus, we can conclude that the birthday was on 11th July.
A is 18th from front and C is 24th
Number of persons between A and C = 6.
Since C is exactly in middle of A and B, so number of persons between C and B = 6.
? Number of persons in the queue = (17 + 1 + 6 + 1 + 6 + 1 + 15) = 47.
Clearly, according to the given conditions, there are 15 boys to the left of A, as well as to the right of C. Also, B lies between A and C such that there are 3 boys between A and B and 4 boys between B and C. So, number of boys in the row = (15 + 1 + 3 + 1 + 4 + 1 + 15) = 40.
After interchanging their positions, position of A from left = 11
Then positions of A from right = 9.
?The total no. of people in the row
= (9 + 11) ? 1 = 19.
Here (i) weakens the statement whereas (ii) and (iii) support and strengthen the statement. But (iv) and (v) neither weaken nor strengthen the statement. In order to decide whether a statement strengthens(or weakens) an argument, follow these steps.
Step I: Break up the argument mentally. See what is the supporting premise, what is the assumption and what is the conclusion.
Step II: If a suggested statement supports any of the three it would be a strengthening statement. If it contradicts any of the three it would be a weakening statement. In order to decide which statement strengthens (or weakens) an argument the most, follow an additional step:
Step III: If a suggested statement supports (or weakens) the basic assumption of an argument, it would be the most strengthening (weakening) argument. Or If a suggested statement provides a very strong proof (or contradictory proof) in favour of (or in contradiction to) the conclusion of the argument, it would be the most strengthening (or weakening) statement.
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