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Question : Direction: The table given below shows the production (in '000 tonnes) of five companies from 2012 to 2016.
What is the average (in '000 tonnes) of total production by all companies in the year 2013?
Option 1: 371.1
Option 2: 373.2
Option 3: 378.4
Option 4: 362.3
Correct Answer: 373.2
Solution : Average in 2013 = $\frac{\text{Total production of all companies in 2013}}{\text{Total number of companies}}$ = $ \frac{386+402+268+360+450}{5}=373.2$ Hence, the correct answer is 373.2.
Question : Which of the following statements is correct regarding the features of a perfectly competitive market? I. The market consists of a large number of buyers and sellers. II. Information is perfect.
Option 1: Only I
Option 2: Neither I nor II
Option 3: Both I and II
Option 4: Only II
Correct Answer: Both I and II
Solution : The correct answer is Both I and II.
In a perfectly competitive market, there are many sellers, and there is easy entry and exit of firms and homogeneous products. In a competitive market, no single consumer or producer has the
Question : Directions: Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. 20 : 1200 :: 28 : 2352 :: 50 : ?
Option 1: 7250
Option 2: 7500
Option 3: 7000
Option 4: 7550
Correct Answer: 7500
Solution : Given: 20 : 1200 :: 28 : 2352 :: 50 : ?
Find the square of the first number and then multiply by 3 to obtain the second number. Like, (20 : 1200)→(20)2 × 3 = 400 × 3 = 1200 And, (28 :
Question : Select the most appropriate meaning of the underlined idiom. We've sent a very strong protest letter. That should make them sit up and take notice.
Option 1: Follow
Option 2: Attend
Option 3: Observe
Option 4: Consider
Correct Answer: Consider
Solution : The fourth option is the correct answer.
The idiom "make them sit up and take notice" means to cause someone to pay attention or take something seriously. In this context, sending a strong protest letter is expected to make the recipients consider the issue seriously;
Question : if $a-b=3$ and $a^3-b^3=117$, then $|a+b|$ is equal to:
Option 1: 3
Option 2: 5
Option 3: 7
Option 4: 9
Correct Answer: 7
Solution : Given: a – b = 3 a3 – b3 = 117 We know, a3 – b3 = (a – b)3 + 3ab(a – b) ⇒ 117 = 27 + 3ab(3) ⇒ 9ab = 117 – 27 ⇒ 9ab = 90
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : In the given figure, follow the directions to find the next term –
In Box 1, there are two letters, A and B, placed diagonally. A is in the southwest, while B is in the northeast. There is a square at the centre of the box,
Question : Directions: Two teams, consisting of 3 players in each team, are participating in a debate competition. Three players in one team are sitting facing the three players of the other team. K and L are sitting facing each other. N and O are in different teams. M is sitting facing N. P is at one of the corners. N is sitting to the immediate right of L. Which of the following are members of the same team?
Option 1: K, M, and P
Option 2: N, L, and M
Option 3: L, N, and P
Option 4: O, K, and N
Correct Answer: L, N, and P
Solution : Given: (I) K and L are sitting facing each other.
(II) N and O are in different teams. M is sitting facing N. P is at one of the corners. N is sitting to the immediate right of L.
So, L, N,
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at line MN as shown.
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line MN). So, the left side of the reflected image will appear
Question : On a shelf, books with white covers and those with orange covers are in the ratio 12 : 21. If there are 945 books with orange covers, then the number of books with white covers is:
Option 1: 645
Option 2: 540
Option 3: 1485
Option 4: 840
Correct Answer: 540
Solution : Since the ratio of white covers and orange covers is 12 : 21. ⇒ $\frac{\text{Number of books with white covers}}{\text{Number of books with orange covers}} = \frac{12}{21}$ ⇒ $\frac{\text{Number of books with white covers}}{945} = \frac{12}{21}$ ⇒ Number of books with white covers = $\frac{12}{21}$
Question : A man alone can do a piece of work in 16 days, but with the help of his friend, he can do it in 8 days. In what time can his friend do it alone?
Option 1: 12 days
Option 2: 14 days
Option 3: 16 days
Option 4: 10 days
Correct Answer: 16 days
Solution : Time taken by a man to do the work = 16 days Part of done by the man in a day = $\frac{1}{16}$ Let $x$ be the time taken by the friend to do the work. Part of work done by the friend in
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