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Question : A motorboat, whose speed is 20 km/hr in still water takes 3 hours to cover a distance of 22.5 km upstream and then comes back to its starting point. The speed of the stream (in km/hr ) is:
Option 1: 10
Option 2: 9
Option 3: 8
Option 4: 11
Correct Answer: 10
Solution : Let, the speed of the water = $x$ km/hr Speed of motorboat in still water = 20 km/hr Downstream speed = $(20 + x)$ km/hr Upstream speed = $(20 - x)$ km/hr Time taken to go downstream = $\frac{22.5}{(20+x)}$ Time taken to go upstream =
Question : Select the most appropriate meaning of the bracketed idiom in the given sentence. That were remarks made (in the heat of the moment).
Option 1: At time when you cannot think carefully
Option 2: To exert all efforts
Option 3: To present a counter argument
Option 4: To be dismissed from your job
Correct Answer: At time when you cannot think carefully
Solution : The correct option will be the first option.
The idiom "in the heat of the moment" refers to a situation where strong emotions, such as anger, excitement, or stress, temporarily override one's ability to think calmly and
Question : The greater of the two numbers whose product is 900 and whose sum exceeds their difference by 30 is:
Option 1: 60
Option 2: 75
Option 3: 90
Option 4: 100
Correct Answer: 60
Solution : Let the numbers be $x$ and $y$ where $x > y$. According to the question, ⇒ $(x + y) – (x – y) = 30$ ⇒ $x + y–x + y = 30$ ⇒ $y = \frac{30}{2} = 15$ Also, $xy = 900$ ⇒ $15x
Question : In an examination, 92% of the students passed and 480 students failed. If so, how many students appeared in the examination?
Option 1: 5,800
Option 2: 6,200
Option 3: 6,000
Option 4: 5,000
Correct Answer: 6,000
Solution : Given: In an examination, 92% of the students passed and 480 students failed. Let the number of the students who appeared in the examination = 100%. The number of the students failed = 100 – 92 = 8%. 8% = 480 The number of students
Question : Directions: From the given option figures, select the one in which the question figure is embedded.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since there is no restriction on the rotation of the figure, we will check all possible angles where the question figure can fit itself in all the given option figures. The question figure is embedded only in the first option figure.
Hence, the first option is
Question : The cost price of an article is decreased by 10% and then increased by 20%. If the final price is INR 540, then the original cost price is:
Option 1: INR 500
Option 2: INR 650
Option 3: INR 550
Option 4: INR 600
Correct Answer: INR 500
Solution : Let the cost price be INR $x$. The cost price first decreased by 10%, then increased by 20%. So, $\frac{x×90×120}{100×100}=540$ ⇒ $108x=54000$ ⇒ $x=500$ Therefore, the original cost price = INR 500 Hence, the correct answer is INR 500.
Question : Directions: Arrange the given words in the sequence in which they occur in the dictionary. 1. Nested 2. Nation 3. Nippon 4. Niger 5. Nappy
Option 1: 52143
Option 2: 52413
Option 3: 21543
Option 4: 25134
Correct Answer: 52143
Solution : Given: 1. Nested 2. Nation 3. Nippon 4. Niger 5. Nappy
Step 1: Compare the first letter of each word. Since all the words start with the same letter N, then move to the next letter. Step 2: The second letter of each word
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown.
Solution : As per mirror image properties, closer things appear closer to the mirror in reflection. Here, according to the information provided, the mirror is placed at the right of the figure (on line MN). So, the left of the reflected image will appear as the right and
Question : Directions: The data given in the bar diagram relate to the department-wise admission of 320 students to B.Sc. (Honours) first-year classes of a certain college in the given five subjects. Study the graph and answer the questions.
The subjects which the female students are finding difficult as compared to other subjects are:
Option 1: Statistics
Option 2: Economics
Option 3: Mathematics
Option 4: Chemistry
Correct Answer: Chemistry
Solution : As per the given graph, The difference between the number of male and female students in: Physics = 62 – 26 = 36 Chemistry = 61 – 24 = 37 Mathematics = 30 – 20 = 10 Statistics = 16 – 15 = 1 Economics
Question : Which of the following liquids has the least density?
Option 1: Freshwater
Option 2: Saltwater
Option 3: Petrol
Option 4: Mercury
Correct Answer: Petrol
Solution : The correct option is Petrol.
The least dense of the listed liquids is petrol. Petrol has a specific gravity (or relative density) that varies from 0.7489 grams per cubic centimetre to 0.77 kg/l. The densities of freshwater, saltwater and mercury are 1 g/cm3,
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