All practice questions

Eight executives (A, B, C, D, E, F, G, and H) are attending a strategy meeting. They are seated in two parallel rows containing four seats each, with an equal distance between adjacent seats.

In Row 1: A, B, C, and D are seated and all of them are facing South.
In Row 2: E, F, G, and H are seated and all of them are facing North.
Therefore, each person in Row 1 faces exactly one person in Row 2.

The following conditions are given:
1. D sits second to the left of the person who faces F.
2. F does not sit at any of the extreme ends of the row.
3. Only one person sits between A and C.
4. The person who faces C sits to the immediate left of H.
5. G sits to the right of E but not immediately.
6. B does not face E.

Based on the given seating arrangement, who sits second to the left of the person facing C?

The Municipal Sanitation Department is planning to expand its primary solid waste processing facility into an adjacent vacant plot owned by the city. However, over the past decade, a suburban residential neighborhood has developed near this boundary. The Residents' Welfare Association (RWA) is threatening a city-wide protest and legal injunctions, citing potential health hazards, odor, and a drop in property values. The Sanitation Department argues that relocating the expansion to a distant site would triple transportation costs and cause an immediate waste crisis, as the current facility will reach maximum capacity in three months. As the Municipal Commissioner responsible for resolving this dispute, which of the following is the most appropriate initial course of action to negotiate a sustainable resolution?

A rare astronomical alignment was recorded on Thursday, May 17, 1888. According to a research institute, this specific alignment occurs exactly every 13 years. On what day of the week will the second occurrence after the original 1888 recording take place?

An inventory tracking system logs the total number of specialized microchips stored in a warehouse as exactly $5 \times 14^{33} - 3 \times 28^{50}$ units. These microchips are being shipped out in standard crates that hold exactly $13$ units each. The remaining microchips that do not make a full crate will be set aside for quality assurance testing. How many microchips will be set aside?

An agronomist is comparing the soil moisture retention rates of four different agricultural plots. The rates, measured in liters per cubic meter per day, are given below. Arrange the plots in ascending order of their moisture retention rates.

In a highly automated manufacturing plant, three different robotic assembly lines are synchronized by a central control system. Line A completes a specific micro-calibration cycle every $\frac{4}{15}$ of a minute. Line B completes its calibration cycle every $\frac{6}{25}$ of a minute, and Line C completes its cycle every $\frac{8}{35}$ of a minute. If all three lines complete a calibration cycle simultaneously at a given moment, what is the shortest time interval that must elapse before all three lines complete their calibration cycles together again?

A civil engineering team is installing three different types of sensor cables along a newly constructed bridge. The standard supplier rolls for these cables come in lengths of $\frac{55}{2}$ meters, $\frac{77}{4}$ meters, and $\frac{121}{5}$ meters. To ensure modular replacement without any waste, the team must cut all the rolls into smaller, equal-length segments. What is the maximum possible length, in meters, of each segment?

Regarding the eligibility criteria, financial provisions, and implementation framework of the 'Yuva Nidhi Scheme' launched by the Government of Karnataka, which of the following statements are correct?

Announcement: The state administration's newly launched agricultural initiative guarantees financial subsidies solely to cultivators adopting organic farming techniques.

Is it logically valid to deduce from this announcement that cultivators relying on conventional chemical fertilizers are banned from trading their harvest within the state?

Arrange the following landmark legislative acts enacted by the Parliament of India to strengthen administrative governance, public integrity, and scientific development in chronological order of their enactment (from the earliest to the most recent):

At a metropolitan central station, three express commuter trains depart simultaneously at 6:00 AM on Monday. The Green Line completes its round trip every $2 \frac{1}{4}$ hours, the Blue Line every $3 \frac{3}{8}$ hours, and the Red Line every $4 \frac{1}{2}$ hours. Assuming continuous operation without delays, how many hours will it take for all three trains to depart simultaneously from the central station again?

Statement: The National Highway Authority (NHA) has decided to double the toll tax for all commercial freight vehicles operating on the Northern Expressway during peak daytime hours (8 AM to 8 PM), while simultaneously offering a 30% discount on the standard toll for the same vehicles traveling between midnight and 6 AM.

Assumption I: A significant proportion of commercial freight operators possess the logistical flexibility to reschedule their transit operations from daytime to nighttime hours.
Assumption II: The traffic congestion currently experienced on the Northern Expressway during peak daytime hours is predominantly caused by commercial freight vehicles rather than private passenger cars.

Based on the statement provided, which of the given assumptions is/are logically implicit?

The State Department of Urban Development recently enacted the Decentralized Waste Management Framework (DWMF) to alleviate the growing strain on centralized landfills. Unlike previous policies that relied on municipal fleets to transport mixed refuse, the DWMF mandates that residential welfare associations (RWAs) manage their own organic 'wet' waste through on-site composting or biomethanation. The municipality now only collects non-biodegradable 'dry' waste and hazardous materials. To facilitate this transition, the government offers a one-time 40% subsidy on the purchase of approved processing equipment. However, ongoing operational and maintenance costs must be borne entirely by RWAs through monthly resident contributions.

While environmental advocates praise the DWMF for reducing transportation emissions and extending landfill lifespans, several lower-income neighborhoods have reported severe difficulties. For these communities, the remaining 60% capital expenditure and continuous operational fees present a substantial financial barrier, leading to the ad-hoc dumping of wet waste in public spaces. Furthermore, the policy assumes a uniform availability of communal space, ignoring the dense spatial realities of older, unplanned urban settlements.

Based on the implications of the DWMF described above, which of the following administrative interventions represents the most logically sound policy extension to address the framework's implementation flaws?

In evolutionary cell biology, mitochondria and chloroplasts are classified as semi-autonomous organelles that originated through endosymbiotic events. Which of the following statements correctly describe the structural and genetic characteristics supporting their endosymbiotic evolutionary origin? (Select all correct options)

Four conference delegates—Farhan, Gita, Harish, and Ira—are to be divided into two discussion panels, Panel 1 and Panel 2, with exactly two delegates on each panel. The assignment must obey the following rules:
1. Farhan and Gita cannot be assigned to the same panel.
2. If Harish is assigned to Panel 1, then Gita must also be assigned to Panel 1.

If Harish is assigned to Panel 1, which pair of delegates must be assigned to Panel 2?

Four senior administrative officers—Farhan, Geeta, Harish, and Indu—are assigned to two administrative committees: Committee 1 and Committee 2, with exactly two officers in each committee. Each officer specializes in one distinct domain: Finance, IT, Legal, or Operations.

The assignments are made according to the following conditions:
1. Harish specializes in Finance and is assigned to Committee 1 together with Geeta.
2. Indu specializes in Operations and is assigned to a different committee from Harish.
3. The IT specialist is assigned to Committee 2.
4. Farhan is not in the same committee as the Legal specialist.

Based on the information above, which of the following statements are correct?

You are a Sub-Divisional Magistrate (SDM) managing a district revenue office. A junior assistant submits a formal written complaint alleging that their reporting Senior Section Officer is deliberately withholding their career advancement recommendation and subjecting them to hostile verbal harassment. Simultaneously, the Senior Section Officer submits an official note claiming that the junior assistant has committed severe procedural lapses regarding missing land registry files, asserting that the grievance is a retaliatory tactic to pre-empt an impending disciplinary inquiry. A critical public land acquisition audit deadline falls in three days, requiring technical inputs from both employees. Which of the following courses of action represents the most administratively sound, ethically compliant, and effective decision for the officer in charge?

As the Municipal Commissioner of a port city, you are notified of a critical pressure buildup in a large industrial ammonia refrigeration unit located near a densely populated neighborhood. The facility manager requests permission to immediately release the gas directly into the open air to prevent a potential structural explosion. However, statutory disaster management guidelines mandate activating automated chemical scrubbers, deploying water curtains, and executing a staged evacuation of downwind areas prior to any emergency discharge. What is the most appropriate administrative course of action you should take in this situation?

Match each multi-step movement sequence described in List-I with its corresponding net displacement (distance and direction) relative to the initial starting point in List-II.

Consider the following statements regarding the 'Mahtari Vandan Yojana' implemented in Chhattisgarh:

1. Under the scheme, eligible beneficiaries receive a monthly financial assistance of ₹1,000 directly transferred to their bank accounts.
2. To be eligible, a woman must be a married resident of the state and at least 21 years of age as of January 1 of the application year.
3. The scheme is executed under the administrative purview of the State Department of Agriculture and Farmers Welfare.

Which of the statements given above are correct?