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Question : In which month, Hiroshima Day is observed across the world?
Option 1: October
Option 2: August
Option 3: January
Option 4: July
Correct Answer: August
Solution : The correct option is August.
Hiroshima Day is observed on August 6 each year to commemorate the nuclear bombing of Hiroshima, Japan, in 1945. During World War II, America nuked Hiroshima. It resulted in widespread destruction; thousands of people were killed instantly, and many
Question : Who is known as the founder of the Widow Remarriage Association (1861)?
Option 1: Dr. Atma Ram Pandurang
Option 2: R. G. Bhandarkar
Option 3: Dwarkanath Tagore
Option 4: Mahadev Govind Ranade
Correct Answer: Mahadev Govind Ranade
Solution : The correct answer is Mahadev Govind Ranade.
Justice Mahadev Govind Ranade (1842-1901) founded the "Widow Marriage Association" in 1861 to promote and endorse widow remarriage. He was also known as Justice Ranade.
Question : If $3 \tan \theta=4$, then what is the value of $7 \sin \theta-2 \cos \theta$?
Option 1: $\frac{12}{5}$
Option 2: $4$
Option 3: $\frac{22}{5}$
Option 4: $\frac{17}{5}$
Correct Answer: $\frac{22}{5}$
Solution : Given, $3 \tan \theta=4$ ⇒ $\tan\theta=\frac43=\frac{\text{Perpendicular}}{\text{Base}}$ Using the Pythagoras theorem, $\small\text{Hypotenuse}^2=\text{Perpendicular}^2+\text{Base}^2$ ⇒ $h^2=4^2+3^2$ ⇒ $h^2=16+9$ ⇒ $h^2=25$ ⇒ $h=5$ We know, $\sin\theta=\frac{\text{Perpendicular}}{\text{Hypotenuse}}$ and $\cos\theta=\frac{\text{Base}}{\text{Hypotenuse}}$ ⇒ $\sin\theta=\frac{4}{5}$ and $\cos\theta=\frac35$ So, $7 \sin \theta-2 \cos \theta=7\times\frac{4}{5}-2\times\frac{3}{5}=\frac{28}{5}-\frac{6}{5}=\frac{22}{5}$ Hence, the correct answer is $\frac{22}{5}$.
Question : If the sewage is fully oxidized, the nitrogen is in the form of
Option 1: Nitrites
Option 2: Ammonia
Option 3: Nitramines
Option 4: Nitrates
Correct Answer: Nitrates
Solution : The correct option is Nitrates.
The presence of Nitrates in waste indicates complete decomposition of organic matter. By converting nitrogen to nitrate and then potentially removing it through denitrification, sewage treatment facilities aim to minimise the environmental impact of nitrogen discharge.
Question : If $5A=12B=13C$, then find $A: B: C$.
Option 1: $60:65:156$
Option 2: $65:156:60$
Option 3: $156:65:60$
Option 4: $3:12:5$
Correct Answer: $156:65:60$
Solution : Given: $5A=12B=13C$ Let $5A=12B=13C=k$ $⇒A=\frac{k}{5},B=\frac{k}{12},C=\frac{k}{13}$ Ratio of $A:B:C=\frac{k}{5}:\frac{k}{12}:\frac{k}{13}$ $⇒A:B:C=\frac{1}{5}:\frac{1}{12}:\frac{1}{13}$ LCM of $(5, 12, 13) = 780$ Multiplying with it, we get, $⇒A:B:C=\frac{780}{5}:\frac{780}{12}:\frac{780}{13}$ $\therefore A : B : C = 156:65:60$ Hence, the correct answer is $156:65:60$.
Question : Parts of the following sentence are given as options. Identify the segment that contains a grammatical error. He won’t come to school tomorrow, won’t he?
Option 1: He won’t come
Option 2: tomorrow
Option 3: to school
Option 4: won’t he
Correct Answer: won’t he
Solution : The correct choice is the fourth option.
Explanation: The error lies in the structure of the tag question. When the main part of the sentence contains a modal verb (like won't, can't, shouldn't, etc.), the tag question should use the opposite polarity. So,
Question : Which bill passed in the Lok Sabha in 2022 seeks to converge the National Rail and Transportation Institute, Vadodara (a deemed university) to the Gati Shakti Vishwavidyalaya?
Option 1: The Appropriation Bill
Option 2: The Competition (Amendment) Bill
Option 3: Central Universities (Amendment) Bill
Option 4: University Laws (Amendment) Bill
Correct Answer: Central Universities (Amendment) Bill
Solution : The correct option is the Central Universities (Amendment) Bill.
The Lok Sabha approved the Central Universities (Amendment) Bill 2022, facilitating the transformation of the National Rail and Transportation Institute (NRTI), previously deemed a university under the University Grants Commission Act, 1956,
Question : Which states are involved in the joint venture of the Chambal Project?
Option 1: Rajasthan and Haryana
Option 2: Rajasthan and Uttar Pradesh
Option 3: Uttar Pradesh and Madhya Pradesh
Option 4: Rajasthan and Madhya Pradesh
Correct Answer: Rajasthan and Madhya Pradesh
Solution : The correct option is Rajasthan and Madhya Pradesh.
Founded in 1954, the Chambal Valley project is a joint venture on the Chambal River between Rajasthan and Madhya Pradesh. In 1953–1954, Rajasthan and Madhya Pradesh launched a joint venture to begin the
Question : Direction: In the following question, select the related word from the given alternatives.
Hot : Cold :: ?
Option 1: Summer : Sun
Option 2: Germs : Diease
Option 3: Light : Dark
Option 4: Thin : Big
Correct Answer: Light : Dark
Solution : Given:
The relationship is that hot is the opposite of cold. They are antonyms representing opposite temperature conditions.
Now, let's apply the same logic to all the options of the analogy:
Option first: Summer : Sun
The
Question : The least number to be subtracted from 36798 to get a number which is exactly divisible by 78 is:
Option 1: 18
Option 2: 60
Option 3: 38
Option 4: 68
Correct Answer: 60
Solution : The given number is 36798. The divisor is 78. Divide 36798 by 78 and get the remainder. Remainder = $\frac{36798}{78}$ → 60 So, the least number to be subtracted from 36798 to get a number exactly divisible by 78 is 60. Hence, the correct answer
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