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Question : If A is equal to 20% of B and B is equal to 25% of C, then what percentage of C is equal to A?
Option 1: 10
Option 2: 15
Option 3: 5
Option 4: 20
Correct Answer: 5
Solution : A = 20% of B ⇒ A = $\frac{1}{5}$ × B ⇒ A : B = 1 : 5 Also, B = 25% of C ⇒ B = $\frac{1}{4}$ × C ⇒ B : C = 1 : 4 = 5 : 20 So, A
Question : Who among the following invented a device called PM 2.5 which when fitted near the silencer pipe in vehicles will curb air pollution?
Option 1: Debayan Saha
Option 2: Deepak Gupta
Option 3: Nikesh Arora
Option 4: Asha Sharma
Correct Answer: Debayan Saha
Solution : The correct answer is Debayan Saha.
Debayan Saha created the PM 2.5 gadget, which reduces air pollution when installed next to a vehicle's silencer pipe. An IIT-Kharagpur graduate has developed a tool called "-2.5" to combat the pollution that bears the same name to
Question : Which of the following numbers is divisible by 11?
Option 1: 5214341
Option 2: 5648741
Option 3: 6598321
Option 4: 2378965
Correct Answer: 5214341
Solution : The difference between the sum of digits at odd positions and the sum of digits at even positions in a number is 0 or 11 to be divided by 11. 5214341: 5 + 1 + 3 + 1 – (2 + 4 + 4) =
Question : A thief, seeing a policeman from a distance of 400 m, started running at a speed of 16 km/hr. The policeman chased him immediately at a speed of 18 km/hr and the thief was caught. What was the distance run by the thief before he was caught by the policeman?
Option 1: 3200 m
Option 2: 3230 m
Option 3: 3240 m
Option 4: 3220 m
Correct Answer: 3200 m
Solution : Thief's speed = 16 km/hr = $16×\frac{5}{18}=\frac{40}{9}$ m/s Policeman's speed = 18 km/hr = $18×\frac{5}{18}=5$ m/s Required distance = $\frac{\text{Difference × Slower speed}}{\text{Faster speed – Slower speed}}$ So, distance $=\frac{400×\frac{40}{9}}{5-\frac{40}{9}}=400×\frac{40}{9}×\frac{9}{5}=3200$ m Hence, the correct answer is 3200 m.
Question : Select the most appropriate SYNONYM of the word 'Keen' from the given sentence.
I am eager and happy to visit the beautiful city of Darjeeling next month with my family.
Option 1: beautiful
Option 2: visit
Option 3: eager
Option 4: happy
Correct Answer: eager
Solution : The correct choice is the third option.
In the context of the sentence, the word keen is used to express enthusiasm or eagerness. The word eager carries a similar meaning and is the most suitable synonym in this context. Both keen and eager convey
Question : Directions: Which figure from the given options would replace the question mark (?) if the following figure series were to be continued?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. D, 2, A, and the star are being shifted one position along the corners in the clockwise direction. 2. The arrow in the centre rotates 45° in the anti-clockwise direction.
So, following the above pattern, the required figure will
Question : Who started the first English newspaper in India ?
Option 1: Bal Gangadhar Tilak .
Option 2: Raja Rammohan Roy .
Option 3: J.A.Hickey.
Option 4: Lord William Bentinck.
Correct Answer: J.A.Hickey.
Solution : Correct Answer is J.A.Hickey.
A two-sheet newspaper, it was published weekly. The Bengal Gazette, the first Indian newspaper, was published in India by James Augustus Hicky in 1780. Even though it was also known as the Calcutta General Advertiser, it was often referred to as
Question : During which of the following periods was the FIFA U-17 Women's World Cup held in 2022?
Option 1: 11-30 October
Option 2: 4-11 April
Option 3: 8-21 June
Option 4: 11-19 December
Correct Answer: 11-30 October
Solution : The correct option is 11-30 October
The FIFA U-17 Women's World Cup 2022 was held from October 11–30, 2022. India hosted the competition, which was held in three cities: Bhubaneswar, Margao, and Navi Mumbai. The event included 16 teams, including the hosts, India.
Question : The reciprocal of the sum of the reciprocals of $\frac{6}{5}$ and $\frac{3}{7}$ is:
Option 1: $\frac{57}{18}$
Option 2: $\frac{35}{57}$
Option 3: $\frac{6}{19}$
Option 4: $\frac{57}{35}$
Correct Answer: $\frac{6}{19}$
Solution : Reciprocal of $\frac{6}{5}=\frac{5}{6}$ Reciprocal of $\frac{3}{7}=\frac{7}{3}$ Their sum = $(\frac{5}{6}+\frac{7}{3})=(\frac{5+14}{6} )=(\frac{19}{6} )$ Reciprocal of sum = $\frac{6}{19}$ Hence, the correct answer is $\frac{6}{19}$.
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank. Data 1._______ the Pioneer spacecraft of NASA apparently prove the theory that the high surface temperature of Venus is 2.______ to an atmospheric greenhouse effect caused mainly by a blanket of carbon dioxide. Such a greenhouse 3.______ is created when energy in the form of sunlight easily passes through a planet's atmosphere, warms its 4.____ and is converted to heat radiation that is then held in by the atmosphere from top to bottom. Venus has a relatively thin atmosphere like the Earth's, but Venus' atmosphere consists of more than ninety percent carbon dioxide, compared to less than four percent in that of the 5.____ Select the most appropriate option to fill in the blank No. 4.
Option 1: atmosphere
Option 2: walls
Option 3: core
Option 4: surface
Correct Answer: surface
Solution : The fourth option is correct.
In the given context, the word surface would be used because it refers to the outermost layer or topmost part of the planet. When energy in the form of sunlight passes through a planet's atmosphere, it eventually reaches the surface.
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