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Question : Select the sentence that has a spelling error. A- Keeping cities clean and free of germs is particularly essential for keeping their residents healthy. B- Our health depends not just on our nutrition and personal hygeine but also on how we clean our cities and surroundings. C- The spread of various diseases is intricately linked to the deteriorating state of public health condition. D- The good news is that waste management, to keep cities clean, is now getting attention through the Swachh Bharat Mission.
Option 1: The good news is that waste management, to keep cities clean, is now getting attention through the Swachh Bharat Mission.
Option 2: The spread of various diseases is intricately linked to the deteriorating state of public health conditions.
Option 3: Keeping cities clean and free of germs is particularly essential for keeping their residents healthy.
Option 4: Our health depends not just on our nutrition and personal hygeine but also on how we clean our cities and surroundings.
Correct Answer: Our health depends not just on our nutrition and personal hygeine but also on how we clean our cities and surroundings.
Solution : The correct choice is the fourth option.
In the fourth sentence, there is a spelling error in the word hygeine. The correct spelling
Question : $G$ is the centroid of the equilateral triangle $ABC$. If $AB$ is $9\text{ cm}$, then $AG$ is equal to:
Option 1: $3 \sqrt 3\text{ cm}$
Option 2: $3\text{ cm}$
Option 3: $\frac{3 \sqrt 3}{2}\text{ cm}$
Option 4: $6 \text{ cm}$
Correct Answer: $3 \sqrt 3\text{ cm}$
Solution : The side of an equilateral triangle ($a$) $=9\text{ cm}$ Median $AD$ of equilateral triangle $=\frac{\sqrt{3}}{2}a$ ⇒ ${AD} = \frac{\sqrt{3}}{2}\times 9$ Also, a centroid divides the median in the ratio of $2:1$. So, $ AG : GD = 2 : 1$ ⇒ $\frac{AG}{AD}=\frac{2}{3}$
Question : Shri Pramod Sawant took the oath as the Chief Minister of which state in March 2022?
Option 1: Goa
Option 2: Maharashtra
Option 3: Gujarat
Option 4: Karnataka
Correct Answer: Goa
Solution : The correct answer is Goa.
Pramod Pandurang Sawant, born on 24 April 1973, is an Indian politician and a practitioner of Ayurvedic medicine. He has been serving as the Chief Minister of Goa since 2019, making him the 11th person to hold this position. As
Question : Trees are leafless for a shorter or longer season of the year in :
Option 1: Evergreen forest
Option 2: Mangrove forest
Option 3: Scrub jungle forest
Option 4: Deciduous forest
Correct Answer: Deciduous forest
Solution : The correct option is Deciduous Forests.
In temperate deciduous forest, trees are leafless for a longer period of the year to survive the winter months, deciduous trees in temperate forests shed their leaves. The leaves have a large surface area for transpiration, which is
Question : If $A$ is an acute angle and $8\sec A=17$, find the value of $\tan A$.
Option 1: $\frac{15}{17}$
Option 2: $\frac{15}{8}$
Option 3: $\frac{8}{15}$
Option 4: $\frac{8}{17}$
Correct Answer: $\frac{15}{8}$
Solution : Given, $8\sec A=17$ ⇒ $\sec A=\frac{17}{8}$ We know, $\tan^2 A=\sec^2 A-1$ ⇒ $\tan^2 A=(\frac{17}{8})^2-1$ ⇒ $\tan^2 A=\frac{225}{64}$ ⇒ $\tan A=\frac{15}{8}$ Hence, the correct answer is $\frac{15}{8}$.
Question : Which of the following animals have a single opening in their digestive system that serves both as a mouth and an anus?
Option 1: Arachnids
Option 2: Echinoderms
Option 3: Platyhelminthes
Option 4: Arthropods
Correct Answer: Platyhelminthes
Solution : The correct option is Platyhelminthes.
Platyhelminthes, or flatworms, are a phylum of soft-bodied invertebrates. They include both free-living and parasitic species. Flatworms are characterised by a flattened, ribbon-like body and bilateral symmetry. They lack a body cavity (coelom) and have a simple digestive system
Question : A right circular cylindrical tunnel of diameter 5 cm and length 10 cm is to be constructed from a sheet of iron. The area of the iron sheet required will be:
Option 1: $52\pi \ \text{cm}^2$
Option 2: $50\pi \ \text{cm}^2$
Option 3: $51\pi \ \text{cm}^2$
Option 4: $49\pi \ \text{cm}^2$
Correct Answer: $50\pi \ \text{cm}^2$
Solution : Given: diameter = 5 cm and height = 10 cm $r = \frac{\text{diameter}}{2} = \frac{5}{2} = 2.5 \, \text{cm}$ The lateral surface area of a cylinder \(= 2\pi rh\) The lateral surface area of a cylinder $ = 2\pi \times 2.5 \times 10
Question : Directions: In a certain code language, SHIRTS is written as LKVVWU, and KURTAS is written as UXNVDW. How will FABRIC be written in that language?
Option 1: EELBLU
Option 2: EDIFLU
Option 3: DEIGLV
Option 4: EDIGLU
Correct Answer: EDIFLU
Solution : Given: SHIRTS is written as LKVVWU, and KURTAS is written as UXNVDW.
Here, after adding 3 to the place value of the letters of the given words, the letters are being shuffled following a certain pattern – SHIRTS is written as LKVVWU→
KURTAS is written
Question : Which of the following statements is/are not correct?
I. Force per unit volume is called pressure. II. Liquids can exert pressure on the walls of containers. III. Force acting on an object can cause a change in its state of motion but not its shape.
Option 1: Only I and II
Option 2: Only III
Option 3: I, II and III
Option 4: Only I and III
Correct Answer: Only I and III
Solution : The correct answer is Only I and III.
Pressure is defined as the force exerted on the surface of objects per unit area. The first statement given in the question is incorrect.
Liquids can exert pressure on the walls of the containers.
Question : Directions: Tina drives 45 km towards the east, turns right and drives 65 km, then turns left and drives 33 km. In which direction is she facing now?
Option 1: East
Option 2: North
Option 3: West
Option 4: South
Correct Answer: East
Solution : First, we will draw the diagram as per the given instructions –
So, Tina is facing in the East direction. Hence, the first option is correct.
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