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Question : If the radius of a right circular cylinder open at both ends is decreased by 25% and the height of the cylinder is increased by 25%, the curved surface area of the cylinder thus formed:
Option 1: remains unaltered
Option 2: is increased by $25\%$
Option 3: is increased by $6.25\%$
Option 4: is decreased by $6.25\%$
Correct Answer: is decreased by $6.25\%$
Solution : The curved surface area of a right circular cylinder before the change, where $r$ is the radius and $h$ is the height $ = 2\pi rh$ The radius is decreased by $25\%$, $r' = 0.75r$ The height is increased by $25\%$, $h'
Question : The salary of an employee increases consistently by 20% every year. If his salary today is Rs. 14,000, what will be his salary after 3 years?
Option 1: Rs. 24,192
Option 2: Rs. 31,200
Option 3: Rs. 42,344
Option 4: Rs. 31,220
Correct Answer: Rs. 24,192
Solution : Given: Current salary: Rs. 14000 Annual salary increase: 20% Number of years: 3 Calculate the salary after 3 years using compound interest formula: Final salary = Current salary × (1 + rate%)$^{\text{time}}$ ⇒ Final salary = 14000 × (1 + 20%)$^3$ =14000 × (1.2)$^3$=
Question : Select the most appropriate ANTONYM of the given word.
Copious
Option 1: Galore
Option 2: Enough
Option 3: Unsparing
Option 4: Meagre
Correct Answer: Meagre
Solution : The correct choice is the fourth option.
Copious means in large quantities or abundant amounts. It refers to something that is plentiful, ample, or overflowing in supply or volume, and its opposite, meagre, refers to an insufficient, small, or inadequate quantity or quality of
Question : Direction: The following question is based on the table given below which shows the production of the number of scooters by a company during the first half of 1992. Study the table and answer the question.
Production of scooters by a company during the first half of 1992
Month
Type
In which month, did the company produce an equal number of all types of scooters?
Option 1: January
Option 2: March
Option 3: May
Option 4: June
Correct Answer: January
Solution : As per the given table, The company produced an equal number of all types of scooters in January. In this month, the production of each type of scooter (X, Y, Z, and T) was 25. Hence, the correct answer is 'January'.
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
I was surprised (1) / when the hostess smiled (2) / as if she saw me before. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The third option is the correct choice.
Explanation: The error is in the use of the verb "saw". When reporting an action in the past, the past perfect subjunctive tense is used to talk about hypothetical situations and past actions that occurred before other past
Question : Directions: Which of the following cubes in the answer figure cannot be made based on the unfolded cube in the question?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Properties of a dice – 1. Opposite faces of a dice cannot appear or hide together. 2. Sides of the opposite faces of a dice cannot touch each other. Rules to find the opposite faces of a dice when two or more positions of the dice
Question : Directions: P started walking from north to south. She turned right at a right angle and then again right at a right angle. In which direction was she ultimately walking?
Option 1: North
Option 2: East
Option 3: South
Option 4: West
Correct Answer: North
Solution : Firstly, we will draw the direction and distance diagram according to the instructions – Now, we have to find the direction in which P is moving.
So, P was facing toward the north direction. Hence, the first option is correct.
Question : In which of the following articles, "Culture and Educational Rights" are mentioned?
Option 1: Articles 25-28
Option 2: Articles 23-24
Option 3: Articles 19-22
Option 4: Articles 29-30
Correct Answer: Articles 29-30
Solution : The correct option is Article 29-30.
Articles 29 and 30 of the Indian Constitution refer to "Culture and Educational Rights." These articles address citizens' rights to culture and education, especially those of linguistic and religious minorities. Article 29 guarantees minorities the freedom to
Question : Which of the following is a perfect match ?
Option 1: Coronary attack - vascular dilation
Option 2: Atherosclerosis - blockage of arteries
Option 3: Hypertension - low blood pressure
Option 4: Hypotension - heart attack
Correct Answer: Atherosclerosis - blockage of arteries
Solution : The correct option is Atherosclerosis - blockage of arteries.
Atherosclerosis is a disease in which fat, cholesterol and other substances accumulates in the arteries. These substances has the potential to constrict the arteries and block blood flow. A blocked coronary artery
Question : Directions: Raheja started from a point. He walked 3 km to the North, then turned East and walked 4 km, then turned West walked 2 km, and then turned left and walked 3 km, and stopped. In which direction is Raheja from his starting point?
Option 1: East
Option 2: South
Option 3: North
Correct Answer: East
Solution : Firstly, we will draw the diagram as per the given instructions –
The direction from his starting position (A) to his final position (E) is the east direction.
So, Raheja is in the east direction from his starting point. Hence, the first option is correct.
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