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Question : Directions: The following chart represents Demand and Production for 5 companies A, B, C, D, and E. Based on the graph answer the questions.
If $x$% of demand for company C equals demand for company B, then $x$ equals:
Option 1: 24
Option 2: 20
Option 3: 60
Option 4: 4
Correct Answer: 24
Solution : As per the graph, The demand of company C = 2500 The demand of company B = 600 We have, $x$% of demand for company C equals demand for company B. Such that, 2500 × $x$% = 600 25$x$ = 600 $x$ = 24 Hence,
Question : Which of the following Indian states was not the host of FIFA Under-17 Women's World Cup Football 2022?
Option 1: Maharashtra
Option 2: Goa
Option 3: Punjab
Option 4: Odisha
Correct Answer: Punjab
Solution : The correct answer is Punjab.
The FIFA Under-17 Women's World Cup is an international football tournament for female players under 17. It is organised by FIFA and takes place every two years. The FIFA Under-17 Women's World Cup Football 2022 was not held in Punjab.
Question : About kidneys and their functions, which of the following statements is not correct?
Option 1: They maintain water balance and expel metabolic waste
Option 2: Reptiles have relatively more nephrons than birds
Option 3: Their basic functional units are called nephrons
Option 4: Each nephron has two parts – the glomerulus and the renal tubule
Correct Answer: Reptiles have relatively more nephrons than birds
Solution : The correct answer is Reptiles have relatively more nephrons than birds.
There are two bean-shaped kidneys in our renal system. They are the primary part of the body, and they perform many vital functions, which include maintaining the overall
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) which may improve the sentence. Choose the correct alternative. In case, no improvement is needed your answer is (4).
The farmers work at the fields.
(1) on the fields
(2) through the fields
(3) in the fields
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct option is the third option.
In the fields correctly conveys the idea that the farmers are working inside the fields, which is what the sentence intends to convey.
Therefore, the correct sentence is, "The farmers work in the fields."
Question : What is the value of the positive square root of $(69+28\sqrt{5})$?
Option 1: $(7+2\sqrt{5})$
Option 2: $(7-2\sqrt{5})$
Option 3: $(2+7\sqrt{5})$
Option 4: $(2-7\sqrt{5})$
Correct Answer: $(7+2\sqrt{5})$
Solution : Given: $x = 69+28\sqrt{5}$ $⇒ x = 49+20+2×7×2\sqrt{5}$ $⇒ x = 7^2+(2\sqrt{5})^2+2×7×2\sqrt{5}$ $⇒ x = (7+2\sqrt{5})^2$ So, the positive square root of $x$ is $(7+2\sqrt{5})$. Hence, the correct answer is $(7+2\sqrt{5})$.
Question : Directions: In a certain code language, CANADA is written as XZMZWZ, and AFRICA is written as ZUIRXZ. How will DEPRESSION be written in that language?
Option 1: XVKIVGGPLM
Option 2: WVKIVHHRLM
Option 3: XVKIVGGRLM
Option 4: WVKIVGGPLM
Correct Answer: WVKIVHHRLM
Solution : Given: CANADA is written as XZMZWZ, and AFRICA is written as ZUIRXZ.
Write the opposite letters of CANADA, to obtain the required code – C→X, A→Z, N→M, A →Z, D→W, A→Z Thus, CANADA is coded as XZMZWZ. And in, AFRICA is written as ZUIRXZ –
Question : The Ganga Action Plan was directed by:
Option 1: Rajiv Gandhi
Option 2: Atal Bihari Vajpayee
Option 3: Manmohan Singh
Option 4: Indira Gandhi
Correct Answer: Rajiv Gandhi
Solution : The correct answer is Rajiv Gandhi.
The Ganga Action Plan was launched in 1985 by Prime Minister Rajiv Gandhi. It was the first river action plan and was launched under the aegis of the Ministry of Environment, Forestry, and Climate Change (MoEFCC). Now, it
Question : The simple interest on a sum for five years is two-fifths of the sum. The rate of interest per annum is:
Option 1: 1%
Option 2: 8%
Option 3: 6%
Option 4: 4%
Correct Answer: 8%
Solution : Time = 5 years Let the principal be $x$ Rate = $r$ So, simple interest = $\frac{2x}{5}$ Simple interest =$\frac{\text{Principal×Rate×Time}}{100}$ ⇒ $\frac{2x}{5}$ =$\frac{x×r×5}{100}$ ⇒ $r = \frac{2x×100}{5×5x}$ ⇒ $r = \frac{200x}{25x}$ $\therefore r = 8\%$ per annum Hence, the correct answer is 8%.
Question : The respective ratio between the height of the tower and the point at some distance from its foot is $5\sqrt{3}:5$. What will be the angle of elevation of the top of the tower?
Option 1: 30°
Option 2: 60°
Option 3: 90°
Option 4: 45°
Correct Answer: 60°
Solution : It is given that the respective ratio between the height of the tower and the point at some distance from its foot is $5\sqrt{3}:5$. So, AB : BC = $5\sqrt{3}:5$ In ΔABC, $\frac{AB}{BC}=\tan\theta$ ⇒ $\frac{5\sqrt{3}}{5}=\tan\theta$ ⇒ $\tan\theta=\sqrt{3}$ $\therefore \theta=60°$ Hence, the correct answer is 60°.
Question : A Navy captain is going away from a lighthouse at the speed of $4(\sqrt3–1)$ m/s. He observed that it took him 1 minute to change the angle of elevation of the top of the lighthouse from 60° to 45°. What is the height (in meters) of the lighthouse?
Option 1: $240\sqrt{3}$
Option 2: $480(\sqrt{3}–1)$
Option 3: $360\sqrt{3}$
Option 4: $280\sqrt{2}$
Correct Answer: $240\sqrt{3}$
Solution : Given: A Navy captain is going away from a lighthouse at the speed of $4(\sqrt3-1)$m/s. Let the base length be $B_{1}$ when the elevation is 60° and the base length be $B_{2}$ when the elevation is 45° and the height of the lighthouse be H.
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