In a garden, there are 10 rows and 12 columns of mango trees. The distance betwe

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Question
In a garden, there are 10 rows and 12 columns of mango trees. The distance between the two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is
Options
A. 20 m
B. 22 m
C. 24 m
D. 26 m

Correct Answer

24 m

Explanation

Each row contains 12 plants.

There are 11 gapes between the two corner trees (11 x 2) metres and 1 metre on each side is left.

Therefore Length = (22 + 2) m = 24 m.

Arithmetic Reasoning problems

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1. Three friends had dinner at a restaurant. When the bill was received, Amita paid 2/3 as much as Veena paid and Veena paid 1/2 as much as Tanya paid. What faction of the bill did Veena pay?
Options
A. 1/3
B. 3/11
C. 12/13
D. 5/8

2. A, B, C, D and E play a game of cards. A says to B, "If you give me three cards, you will have as many as E has and if I give you three cards, you will have as many as D has." A and B together have 10 cards more than what D and E together have. If B has two cards more than what C has and the total number of cards be 133, how many cards does B have?
Options
A. 22
B. 23
C. 25
D. 35

3. Mr. Johnson was to earn � 300 and a free holiday for seven weeks' work. He worked for only 4 weeks and earned � 30 and a free holiday. What was the value of the holiday?
Options
A. � 300
B. � 330
C. � 360
D. � 420

4. An institute organised a fete and 1/5 of the girls and 1/8 of the boys participated in the same. What fraction of the total number of students took part in the fete?
Options
A. 2/13
B. 13/40
C. Data inadequate
D. None of these

5. In a class, there are 18 boys who are over 160 cm tall. If these constitute three-fourths of the boys and the total number of boys is two-thirds of the total number of students in the class, what is the number of girls in the class?
Options
A. 6
B. 12
C. 18
D. 24

6. The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class?
Options
A. 48
B. 44
C. 42
D. 40

7. In a class, 20% of the members own only two cars each, 40% of the remaining own three cars each and the remaining members own only one car each. Which of the following statements is definitely true from the given statements?
Options
A. Only 20% of the total members own three cars each.
B. 48% of the total members own only one car each.
C. 60% of the total members own at least two cars each.
D. 80% of the total members own at least one car.
E. None of these

8. At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. There were altogether 65 dishes. How many guests were present at the party?
Options
A. 60
B. 65
C. 90
D. None of these

9. The total number of digits used in numbering the pages of a book having 366 pages is
Options
A. 732
B. 990
C. 1098
D. 1305

10. Five bells begin to toll together and toll respectively at intervals of 6, 5, 7, 10 and 12 seconds. How many times will they toll together in one hour excluding the one at the start?
Options
A. 7 times
B. 8 times
C. 9 times
D. 11 times

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