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Question : The slant height of a cone is 20 cm. If the area of its base is 616 cm2, then what is the curved surface area of this cone? (use $\pi=\frac{22}{7}$)
Option 1: 960 cm2
Option 2: 400 cm2
Option 3: 1760 cm2
Option 4: 880 cm2
Correct Answer: 880 cm2
Solution : Given: The slant height of a cone is 20 cm. The area of its base is 616 cm2. The curved surface area of the cone is $\pi rl$ where $r$ and $l$ are its radius and slant height respectively. According to
Question : An inlet pipe can fill an empty tank in $4 \frac{1}{2}$ hours, while an outlet pipe drains a filled tank in $7 \frac{1}{5}$ hours. The tank is initially empty, and the two pipes are alternately opened for an hour each, till the tank is filled, starting with the inlet pipe. In how many hours will the tank be filled?
Option 1: 24 hours
Option 2: $20 \frac{1}{4}$ hours
Option 3: $20 \frac{3}{4}$ hours
Option 4: $22 \frac{3}{8}$ hours
Correct Answer: $22 \frac{3}{8}$ hours
Solution : An inlet pipe can fill an empty tank in $4\frac{1}{2}$ hours while an outlet pipe drains a filled tank in $7\frac{1}{5}$ hours. In 1 hour the inlet pipe can fill $\frac{2}{9}$th of the tank. In 1 hour the outlet pipe can empty $\frac{5}{36}$th
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it. First row – 30, 120, 124 Second row – 40, 160, 164 Third row – 22, 88, ?
Option 1: 90
Option 2: 92
Option 3: 89
Option 4: 98
Correct Answer: 92
Solution : Given: First row – 30, 120, 124 Second row – 40, 160, 164 Third row – 22, 88, ?
Here, multiply the first number by 4 to obtain the second number and add 4 to the second number to obtain the third number. First row
Question : Which of the schemes of the Government of India makes Indian cities free from slums?
Option 1: Indira Awas Yojana
Option 2: Central Rural Sanitation Programme
Option 3: Rajiv Awas Yojana
Option 4: Antyodaya Yojana
Correct Answer: Rajiv Awas Yojana
Solution : The correct option is the Rajiv Awas Yojana.
The Rajiv Awas Yojana was an Indian government initiative that provided houses for slum dwellers and the urban underprivileged. Through their participation in the building and rehabilitation process, the plan aimed to grant property rights
Question : One of the following excretes Uric acids as its excretory product:
Option 1: Amoeba
Option 2: Tilapia
Option 3: Sparrow
Option 4: Camel
Correct Answer: Sparrow
Solution : The correct option is Sparrow.
Sparrow excretes uric acid as the principal excretory output. Uric acid is a non-toxic and insoluble chemical that helps birds preserve water. This adaptation is critical for birds since they have a high metabolic rate and frequently need to minimise
Question : The given table represents the population of different villages.
J denotes the average number of males in villages A, B, and C. K denotes the average number of females in villages B, C, and D. What is the average of J and K?
Option 1: 1289.17
Option 2: 1279.62
Option 3: 1278.36
Option 4: 1288.62
Correct Answer: 1289.17
Solution : First, we calculate J, the average number of males in villages A, B, and C. J $= \frac{1500 + 1460 + 1105}{3} = 1355$ Next, we calculate K, the average number of females in villages B, C, and D. K $= \frac{1320 + 1180 +
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
He leans (1) / forward to (2) / shut the door. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct answer is the fourth option.
Since the sentence is grammatically accurate and doesn't need any change. The sentence conveys the idea that he is leaning forward with the intention of closing the door.
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Clean India Mission is one of the most (1) _____ and popular missions to have taken place in India. This mission includes a reward to a state and a city. This encourages every citizen to keep the surroundings clean. This cleanliness campaign was (2) _____ by the Indian government at the national level, (3) _____ all the rural towns and urban cities. Its primary objective is to spread awareness of the importance of cleanliness. Slogans are written on the banners and pictures are painted in a very attractive manner to evoke the feeling of cleanliness. After that, a major objective was to teach citizens to (4) _____ of waste mindfully and to provide basic (5) _____ facilities. For this, wet and dry dustbins are kept by every citizen whether it is home or office.
Select the most appropriate option to fill in the blank number 1.
Option 1: insignificant
Option 2: meaningless
Option 3: significant
Option 4: demonstrative
Correct Answer: significant
Solution : The correct choice is the third option.
Significant means important or large enough to be noticed. Since the mission mentioned is important for the country, significant is the correct word.
Question : The following bar graph shows the mode of transport used by the employees of a company. How much percentage of total employees use two-wheelers as a mode of transport?
Option 1: 25%
Option 2: 21%
Option 3: 12%
Option 4: 42%
Correct Answer: 21%
Solution : Total employees = 4 + 28 + 35 + 84 + 105 + 144 = 400 The employee who uses 2-wheeler = 84 Required percentage = $\frac{\text{The employee who uses 2-wheeler}}{\text{Total employees}}\times100$ = $\frac{84}{400}\times100$ = 21% Hence, the correct answer is 21%.
Question : An army of 12000 consists of Europeans and Indians. The average height of a European is 5 ft 10 inches and that of an Indian is 5 ft 9 inches and that of the whole army is 5 ft $9\frac{3}{4}$ inches. Then the number of Indians in the army is:
Option 1: 3000
Option 2: 4000
Option 3: 5500
Option 4: 2700
Correct Answer: 3000
Solution : Given: Average height of a European = 5 feet 10 inches Average height of an Indian = 5 feet 9 inches Average height of the army = 5 feet $9\frac{3}{4}$ inches By using alligation method, we get: European = 5 feet $9\frac{3}{4}$ inches – 5
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