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Question : Acid rain is caused due to pollution of the atmosphere by:
Option 1: oxides of Carbon and Nitrogen
Option 2: oxides of Nitrogen and Sulphur
Option 3: oxides of Nitrogen and Phosphorous
Option 4: None of these
Correct Answer: oxides of Nitrogen and Sulphur
Solution : The correct answer is this acid ruins vegetation and buildings.
Acid rain is caused by the massive release of acidic gases into the atmosphere by thermal power plants, industry, and automobiles. When emissions from factories, automobiles, or heating boilers come
Question : Select the correct passive form of the given sentence.
The new owners hired a lot of new servers.
Option 1: A lot of new servers were hired by the new owners.
Option 2: A lot of new servers are being hired by the new owners.
Option 3: A lot of new servers are hired by the new owners.
Option 4: A lot of new servers had been hired by the new owners.
Correct Answer: A lot of new servers were hired by the new owners.
Solution : The correct choice will be the first option.
Passive voice is the voice in which the object experiences an action rather than the person who acts. Hence, the object in the active sentence becomes
Question : If a pole of 12 m height casts a shadow of $4\sqrt{3}$ m long on the ground, then the sun's angle of elevation at that instant is:
Option 1: 30°
Option 2: 60°
Option 3: 45°
Option 4: 90°
Correct Answer: 60°
Solution : Height of pole = 12 m Length of shadow = $4\sqrt3$ m Now, $\tan$ $\theta$ = $\frac{12}{4\sqrt3}$ ⇒ $\tan$ $\theta$ = $\frac{3}{\sqrt3}$ ⇒ $\tan$ $\theta$ = $\sqrt3$ = $\tan$ 60° ⇒ $\theta$ = 60° Hence, the correct answer is 60°.
Question : Select the most appropriate synonym of the given word.
TOUSLED
Option 1: ordered
Option 2: struggled
Option 3: disarranged
Option 4: kempt
Correct Answer: disarranged
Solution : The third option is correct.
Explanation: Tousled means to make a person's hair untidy. Disarranged means to make something untidy or disordered.
The meanings of the other options are as follows:
Question : When did India join the United Nations?
Option 1: 1945
Option 2: 1947
Option 3: 1950
Option 4: 1954
Correct Answer: 1945
Solution : The correct option is 1945.
United Nations is the world's largest organisation. It aims to maintain international peace. It is headquartered in New York, but its offices are located in many different cities. India became a member of the United Nations on October 30,
Question : Directions: If a mirror is placed on the line XY, then which of the answer figures is the right mirror image of the given figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. So, according to the above property and the information provided, the mirror is placed on the right side of the figure (on line XY). So, the left side of the
Question : A positive number is greater than thrice its reciprocal by $\frac{26}{3}$. What is the number?
Option 1: $10$
Option 2: $11$
Option 3: $9$
Option 4: $8$
Correct Answer: $9$
Solution : Let the number be $x$. According to the question, $x\text{ – $\frac{3}{x}$ = $\frac{26}{3}$}$ or, $3x^{2} – 9= 26x$ or, $3x^{2} –26x – 9 = 0$ or, $3x^{2} + 1x –27x – 9 = 0$ or, $x(3x+1)– 9(3x+1)=0$ or, $(3x+1)(x–9)=0$ or, $x = 9, -\frac{1}{3}$
Question : Directions: A paper is folded and cut as shown below. How will it appear when unfolded?
Solution : When the given folded paper is unfolded, it will look like –
Hence, the third option is correct.
Question : Directions: Select the set in which the numbers are NOT related in the same way as the numbers of the given set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (168, 122, 290)
Option 1: (198, 112, 310)
Option 2: (226, 148, 374)
Option 3: (236, 118, 356)
Option 4: (126, 132, 258)
Correct Answer: (236, 118, 356)
Solution : Given: (168, 122, 290)
Add the first two terms to obtain the third term in the given set of numbers – ⇒ (168, 122, 290)→168 + 122 = 290
Let's check the options –
First option: (198, 112, 310)→198 + 112 = 310
Question : After a shower of rain, a rainbow is seen:
Option 1: towards the Sun
Option 2: opposite the Sun
Option 3: even in the absence of the Sun
Option 4: anywhere, irrespective of the position of the Sun
Correct Answer: opposite the Sun
Solution : The correct option is opposite the Sun.
A continuous spectrum of light can be seen in the sky as a result of the refraction, internal reflection, and dispersion of light by the water droplets. To allow the sunlight incident on the water droplets
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