Student Questions

What will happen if you leave a bowl of ice cream out on the table on a very hot summer day?

If it is raining heavily outside and you need to go to the market, which item must you take with you?

Which of the following items does not belong in the group?

If Apple : Red, then Banana :

Tina wants to buy a pencil box that costs ₹65. She has one ₹50 note and three ₹10 notes. How much money will be left with Tina after buying the pencil box?

What comes next in the number pattern? 12, 16, 20, ?

There are 15 stickers in a packet. Ratna's friend gives her 7 more stickers. How many stickers does Ratna have now?

Which term describes the unique permanent trail of data, including social media posts, search history, and website cookies, that a user leaves behind while navigating the internet?A) Cyber IdentityB) Digital ProfileC) Digital FootprintD) Online Persona

When browsing online, what does the "s" signify in the https:// prefix of a website’s URL address?A) SystemB) SecureC) SpeedD) Server

Which network security tool acts as a barrier between a trusted internal network and an untrusted external network (like the Internet) to monitor and filter incoming and outgoing traffic?A) RouterB) ModemC) FirewallD) Network Switch

A computer network is suddenly locked by a hacker, and a pop-up window demands a cryptocurrency payment to decrypt and restore access to the files. What is this malware called?A) RansomwareB) AdwareC) Computer VirusD) Logic Bomb

What type of malware secretly records every keystroke made on a computer keyboard to steal user passwords, PINs, and personal conversations?A) Trojan HorseB) WormC) KeyloggerD) Rootkit

A user receives an urgent email appearing to be from their official bank, asking them to click a secure link and re-verify their login credentials immediately. What type of cyber attack is this?A) RansomwareB) PhishingC) Denial of Service (DoS)D) Spyware

An electric motor lifts a crate with a weight of 400 N vertically upward through a height of 5.0 meters. If this operation takes exactly 4.0 seconds, what is the useful mechanical power output of the motor?A) 320 WB) 500 WC) 2000 WD) 8000 W

Which type of electromagnetic wave has a wavelength shorter than visible light but longer than X-rays, and is commonly used for sterilizing medical equipment?A) Infrared radiationB) MicrowavesC) Ultraviolet radiationD) Gamma rays

Two resistors, one with a resistance of 3.0 Ω and another with a resistance of 6.0 Ω, are connected in parallel across a 12 V battery. What is the total current drawn from the battery by this parallel combination?A) 1.3 AB) 4.0 AC) 6.0 AD) 9.0 A

A student stands 165 meters away from a tall vertical wall and claps their hands loudly. If the speed of sound in air is 330 m/s, how much time elapses between the clap and the student hearing the echo?A) 0.5 secondsB) 1.0 secondC) 1.5 secondsD) 2.0 seconds

A uniform meter rule is balanced horizontally at its midpoint pivot (the 50 cm mark). A 4.0 N weight is suspended from the 20 cm mark. What force must be applied downward at the 90 cm mark to maintain horizontal equilibrium?A) 2.0 NB) 3.0 NC) 4.0 ND) 6.0 N

Which domestic water conservation strategy focuses on reducing the demand for treated potable (drinking) water by utilizing household wastewater from sinks, showers, and washing machines for garden irrigation?A) Rainwater harvesting from rooftopsB) Recycling greywaterC) Desalination of domestic groundwaterD) Blackwater purification systems

An astronaut transports a rock sample with a mass of 3.0 kg from Earth to the Moon. The gravitational field strength on Earth is 10 N/kg, and on the Moon, it is 1.6 N/kg. What are the mass and weight of the rock on the Moon?A) Mass = 0.48 kg, Weight = 4.8 NB) Mass = 3.0 kg, Weight = 30 NC) Mass = 3.0 kg, Weight = 4.8 ND) Mass = 0.48 kg, Weight = 30 N