Quantitative Reasoning Questions and Answers Part-2

Data for Questions 1 to 4 : Rajeev planted some plants in his lawn but in certain fixed pattern:
i. In most of the rows there are neither Roses nor Marigolds.
ii. There are two more rows of Orchids than Tulips and two more rows of Roses than Orchids.
iii. There are four more rows of Roses than Tulips.
iv. There aren’t as many rows of Lilly as Fireball.
v. There is one less Marigold row than Rose.
vi. There is just one row of Tulips.
vii. The maximum number of rows he planted is six

1. How many rows of rose did he planted?
a) Two
b) Five
c) Four
d) Cannot be determined

Answer: b
Explanation: From clues 1, 2, 3, 4, 5 we get:
Orchids = Tulips + 2, Rose = Tulips + 4 Marigold = Tulips + 3 and since Lily < Fireball.
If Tulips is 1 (Clue 6), we get
Tulip = 1, Orchids = 3, Marigold = 4, Rose = 5
Hence, Lily = 2 and Fireball = 6
The answer is Five. Option (b) is correct

2. Which of the above information is redundant and can be dispensed with?
a) (i)
b) (iii)
c) (i) and (iii) both
d) All are necessary

Answer: b
Explanation: Statement (iii) is redundant. Option (b) is correct (Refer explanation of Question 1)

3. What is the sum of the rows of Orchids and Marigold he planted?
a) three
b) nine
c) Seven
d) Cannot be determined

Answer: c
Explanation: 3 + 4 = 7. Option (c) is correct (Refer explanation of Question 1)

4. How many rows of fireball did he plant?
a) Two
b) Six
c) Two or Six
d) Data inadequate

Answer: b
Explanation: Six. Option (b) is correct (Refer explanation of Question 1)

Data for Questions 5 to 10 : In a class of 540 students, for every 9 girls these are 11 boys. The weight of students varies from 40 to 50 kg. There are as many 44 kg girls as there are 46 kg boys and as many 40 kg boys as 50 kg girls. The number of 50 kg boys is 35 more than that of 44 kg girls while there are as many 44 kg boys as 46 kg girls. The ratio of 40 kg boys and girls is 4:3 while that of 50 kg girls and boys is 1:3

5.How many boys weigh 40 kg?
a) 22
b) 24
c) 28
d) None of these

Answer: b
Explanation:
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Start from the fourth line and take ‘a’ as the number of girls of 44 kgs.
The answer is 24. Option (b) is correct

6. How many girls weigh 44 kg?
a) 37
b) 36
c) 39
d) None of these

Answer: a
Explanation: The answer is 37. Option (a) is correct (Refer explanation of Question 5)

7. How many girls weight 46 kg?
a) 165
b) 164
c) 146
d) None of these

Answer: b
Explanation: The answer is 164. Option (b) is correct (Refer explanation of Question 5)

8. The number of boys weighing 50 kg is:
a) 72
b) 74
c) 76
d) None of these

Answer: a
Explanation: The answer is 72. Option (a) is correct (Refer explanation of Question 5)

9. The number of girls weighing 40 kg is:
a) 16
b) 18
c) 22
d) None of these

Answer: b
Explanation: The answer is 18. Option (b) is correct (Refer explanation of Question 5)

10. The number of students weighing 50 kg is:
a) 96
b) 42
c) 201
d) None of these

Answer: a
Explanation: The answer is 96. Option (a) is correct (Refer explanation of Question 5)