Staff Selection Commission Sub Inspector Exam
Question : Two pipes A and B can fill a tank in 6 hours and 8 hours respectively. If both the pipes are opened together, after how many hours should B be closed so that the tank is full in 4 hours?
Option 1: $\frac{2}{3}$ hours
Option 2: $1$ hour
Option 3: $2$ hours
Option 4: $\frac{8}{3}$ hours
Correct Answer: $\frac{8}{3}$ hours
Solution : Pipe A takes 6 hours. Pipe B takes 8 hours. LCM of 6 and 8 = 24, i.e, capacity of the tank = 24 units The efficiency of A in 1 hour $= \frac{24}{6} = 4$ units The efficiency of B in 1 hour
Question : In which state of India is the harvest festival of 'Kailpodh' celebrated by an indigenous community?
Option 1: Madhya Pradesh
Option 2: Jharkhand
Option 3: Karnataka
Option 4: Odisha
Correct Answer: Karnataka
Solution : The correct option is Karnataka.
'Kailpodh' is a festival celebrated by the Kodava community. This community mainly resides in the Kodagu district of Karnataka. This festival is celebrated after Puttahari, which is the harvest festival. Mainly celebrated in September, it marks the end of the
Question : Directions: Babita is Ajay's wife and Chiranjiv is Divya's father. If Ajay's mother-in-law is the wife of Divya's grandfather, then what is the relationship of Babita with Chiranjiv's wife?
Option 1: Sister-in-law
Option 2: Sister
Option 3: Cousin
Option 4: Nephew
Correct Answer: Sister-in-law
Solution : According to the given information, the family tree is as follows – Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
So, from the above family tree, Babita is the sister-in-law of Chiranjiv's wife. Hence, the first option
Question : A bus travels at 100 km/hr for the first $\frac{1}{2}$ hour. Later it travels at 80 km/hr. Find the time taken by the bus to travel 290 km.
Option 1: 4 hours
Option 2: 3.5 hours
Option 3: 3 hours
Option 4: 2.5 hours
Correct Answer: 3.5 hours
Solution : In the first half hour (or 0.5 hours), the bus travels at 100 km/hr. It covers a distance of 100 × 0.5 = 50 km. This means the bus still has to travel 290 – 50 = 240 km at a speed of 80
Question : Cereals are a rich source of
Option 1: starch
Option 2: glucose
Option 3: fructose
Option 4: maltose
Correct Answer: starch
Solution : The correct option is starch.
Cereals are the richest source of carbohydrates and dietary fibre. They can also be a source of important nutrients like fibre, vitamins, and minerals. Some common cereal grains include wheat, rice, corn (maize), oats, barley, and rye. Starch is
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.
It is indeed (1) _______ to create an urban forest to control air pollution. It is like a child’s play if (2)_______ awareness is created among people of all ages. Just (3)_______ a mango seed or a jackfruit seed into fertile ground or make seed bombs for the seed to sprout during rainy season. Authorities must take (4)________ measures to ensure a part of the town or city is allocated to plant trees. This ensures the (5)________ of adequate oxygen to people
Question
Select the most appropriate option to fill in the blank number 4.
Option 1: necessary
Option 2: time-consuming
Option 3: lethargic
Option 4: glamorous
Correct Answer: necessary
Solution : The first option is correct.
Explanation: In the context of urban forest creation and tree planting, the blank should be filled with a term that emphasises the importance and urgency of the measures authorities must take. Necessary is the suitable word, as it implies
Question : Comprehension: Read the given passage and answer the questions that follow. It is not an exaggeration to say that the question of where and when the Black Death, the deadliest pandemic ever, originated is one of the biggest mysteries in human history. After all, the Black Death was the first wave of the second plague pandemic of the 14th to early 19th centuries. It killed some 50-60% of the population in Europe, the Middle East and North Africa and an unaccountable number of people in Central Asia. Different proposals, based on competing theories, have been put forward. But in 2017, I came across some records describing an intriguing medieval cemetery in Kara-Djigach, Chüy Valley, northern Kyrgyzstan, which I suspected may hold the key. As part of a multidisciplinary team co-led by Maria Spyrou at the University of Tubingen, we have now investigated several specimens from individuals buried at that site – and come up with an answer. The idea that the Black Death originated in the east – territories overlapping, roughly speaking, Central Asia, Mongolia and China – dates back to the contemporaries of the pandemic in Europe and the Islamic world. The modern, academic Chinese origin theory dates back to at least 1756-8 and a publication about the history of Central Asia by French scholar Joseph de Guignes. What is the theme of the passage?
Option 1: Pitfall of Black Death
Option 2: Impact of Black Death
Option 3: Origin of Black Death
Option 4: History of Black Death
Correct Answer: Origin of Black Death
Solution : The correct choice is the third option.
The passage primarily focuses on the mystery of the origin of the Black Death, discussing different proposals and theories, and introducing the findings of an investigation into a medieval cemetery in Kyrgyzstan that
Question : Directions: In the following question, select the word that cannot be formed using the letters of the given word. INSTRUCTOR
Option 1: RUST
Option 2: TORT
Option 3: STOP
Option 4: STINT
Correct Answer: STOP
Solution : Given: INSTRUCTOR
Now, let's compare all the option words with the word INSTRUCTOR – First option: RUST; All the letters of RUST are present in the word INSTRUCTOR. Second option: TORT; All the letters of TORT are present in the word INSTRUCTOR. Third option: STOP;
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 22, 31, 42, 55, ?, 87
Option 1: 64
Option 2: 70
Option 3: 72
Option 4: 68
Correct Answer: 70
Solution : Given: 22, 31, 42, 55, ?, 87
Add consecutive odd numbers in increasing order starting from 9 to the previous term to obtain the next term in the series – 22 + 9 = 31; 31 + 11 = 42; 42 + 13 = 55;
Question : Who presented the Union Budget in 1970?
Option 1: T. T. Krishnamachari
Option 2: C. Subramaniam
Option 3: Indira Gandhi
Option 4: Ramaswamy Venkataraman
Correct Answer: Indira Gandhi
Solution : The correct answer is Indira Gandhi.
In 1970, the Budget was presented by Indira Gandhi for the fiscal year 1970-71, who was the Prime Minister of India at that time and had also taken charge of finance. Later, she appointed Yashwantrao Balwantrao Chavan
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