Question
The speed of a bike increases by 4 km/hr after every 1
hour. If the distance travelled by the bike in 1st hour is 16 km, the find the total distance travelled by the bike in 18 hours.Solution
Since, the speed of the bike increases by 4 km/hr after every 1 hour, therefore the bike will travel 4 km extra after every 1 hour. Therefore, distance travelled by the bike in 1st hour = 16 km Distance travelled by the bike in 2nd hour = 16 + 4 = 20 km Distance travelled by the bike in 3rd hour = 20 + 4 = 24 km This form an AP i.e. 16, 20, 24………distance travelled in 18th hour Therefore, total distance travelled by the bike in 18 hours = sum of the AP Distance travelled in 18 hours = (n/2){2a + (n – 1)d} Where n = number of terms = 18, a = 1st term = 16 and d = common difference = 4 Therefore, distance travelled in 18 hours = (18/2){2 × 16 + (18 – 1) × 4} = (18/2)(32 + 68) = 900 km
The highest or topmost protocol layer where a communication originates in the form of a message is known as.........................
Which protocol is commonly used to secure data transmission over the internet?
It is a networking protocol for distributed, collaborative, hypermedia information systems
Which one of the following is not an Internet Service Provider (ISP) ?
The layer in the OSI model which is used for error detection and correction is ?
Which network device operates at the Data Link Layer (Layer 2) of the OSI model and connects devices based on MAC addresses?
The “home page” of a web site is _________.
What is the function of a switch in a computer network?
Which of the following is not a network topology?
AÂ dedicated, independent high-speed network that interconnects and delivers shared pools of storage devices to multiple servers?
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