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Question : The upstream speed of a boat is 8 km/h and the downstream is 15 km/h. What is the speed of the boat in still water and the speed of the stream (in km/h), respectively?

Option 1: 11 and 3

Option 2: 3 and 11

Option 3: 11.5 and 3.5

Option 4: 3.5 and 11.5

Team Careers360 17th Jan, 2024

Correct Answer: 11.5 and 3.5


Solution : Speed of downstream $(a)$ = 15 km/hr
Speed of upstream $(b)$= 8km/hr
Speed of the boat in still water = $\frac{a + b}{2}$
= $\frac{15+8}{2}$
= 11.5 km/hr
Speed of the stream = $\frac{a-b}{2}$
= $\frac{15-8}{2}$
= 3.5 km/hr
Hence, the correct answer

7 Views

Question : Directions: Select the option figure that is embedded in the given figure (rotation is NOT allowed).

Option 1:

Option 2:

Option 3:

Option 4:

Team Careers360 24th Jan, 2024

Correct Answer:


Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, only the fourth option figure is embedded in the given question figure.

Hence, the fourth option is correct.

12 Views

Question : The Ranganatha Temple is situated at _________.

Option 1: Kanchipuram

Option 2: Tirupati

Option 3: Chennai

Option 4: Srirangam

Team Careers360 17th Jan, 2024

Correct Answer: Srirangam


Solution : The correct option is Srirangam.

The Sri Ranganathaswamy Temple, alternatively known as the Ranganatha Temple, is situated in Srirangam, which is located in Tamil Nadu This temple is devoted to Ranganatha, a form of the Hindu deity Vishnu.

16 Views

Question : Evaluate the following:
$5 – [96 \div 4 \ \text{of}\ 3–(16–55 \div 5)]$

Option 1: 0

Option 2: 4

Option 3: 3

Option 4: 2

Team Careers360 24th Jan, 2024

Correct Answer: 2


Solution : Given: The expression is $5–[96 \div 4 \ \text{of}\ 3–(16–55 \div 5)]$
Use the BODMAS rule.
$5–[96 \div 4 \ \text{of}\ 3–(16–55 \div 5)]$
= $5–[96 \div 12–(16–55 \div 5)]$
= $5–[96 \div 12–(16–11)]$
= $5–[96 \div 12–5]$
= $5–[8–5]$
= 5 – 3
=

13 Views

Question : The sense of balance is achieved by:

Option 1: cerebrum equilibrium

Option 2: thalamus equilibrium

Option 3: cerebellum equilibrium

Option 4: spinal cord

Team Careers360 22nd Jan, 2024

Correct Answer: cerebellum equilibrium


Solution : The correct option is cerebellum equilibrium.

The cerebellum, which is situated near the base of the brain, is an essential part of the human brain because it controls balance and is responsible for motor movement. In humans, damage to this region impairs motor

14 Views

Question : Directions: In the following question a word is followed by four other words, one of which cannot be formed by using the letters of the given word. Find the word.
STCTRUIONMISCON

Option 1: STRICT

Option 2: CONSTRUCTION

Option 3: STATION

Option 4: MOTION

Team Careers360 17th Jan, 2024

Correct Answer: STATION


Solution : Given:
STCTRUIONMISCON

Let's compare all the option words with the word STCTRUIONMISCON –

First option: STRICT; All the letters of STRICT are present in the word STCTRUIONMISCON.
Second option: CONSTRUCTION; All the letters of CONSTRUCTION are present in the word STCTRUIONMISCON.
Third option: STATION;

44 Views

Question : An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a:

Option 1: Power transmitter

Option 2: Battery

Option 3: Uninterrupted Power Supply (UPS)

Option 4: Generator

Team Careers360 22nd Jan, 2024

Correct Answer: Battery


Solution : The correct option is Battery.

An electrochemical cell used as a source of direct electrical current at constant voltage under standard conditions is commonly known as a "battery". In a battery, chemical reactions within each cell generate electrical energy, and the overall voltage of

15 Views

Question : What is the average of the first 29 even numbers?

Option 1: 30

Option 2: 31

Option 3: 32

Option 4: 33

Team Careers360 23rd Jan, 2024

Correct Answer: 30


Solution : Sum of first $n$ terms of an arithmetic progression = $\frac{n}{2}(2×\text{first term} +(n-1)× \text{common difference})$
Here, the first 29 even numbers form an AP of 29 terms with a common difference of 2 and the first term being 2.
So, the sum = $\frac{29}{2}(2×2 +(29-1)×

16 Views

Question : In which of the following processes nutrients or contaminants are carried away by water or moved into the lower layer of the soil?

Option 1: Ploughing

Option 2: Leaching

Option 3: Sowing

Option 4: Bleaching

Team Careers360 19th Jan, 2024

Correct Answer: Leaching


Solution : The correct option is Leaching.

Leaching occurs when water moves through the soil, carrying away nutrients or contaminants and either depositing them in the lower layers of the soil or transporting them to other locations. This process is important in various environmental contexts, including

14 Views

Question : The difference between Simple and Compound Interest (compounded annually) on Rs. 40,000 for 3 years at 8% per annum is:

Option 1: Rs. 684.32

Option 2: Rs. 788.48

Option 3: Rs. 784.58

Option 4: Rs. 4,000

Team Careers360 23rd Jan, 2024

Correct Answer: Rs. 788.48


Solution : The formula for the difference between Compound Interest(CI) and Simple Interest(SI) for 3 years is given by:
$CI-SI=\frac{PR^{2}(300+R)}{100^{3}}$, where $P$ is principal and $R$ is rate of interest per annum compounded annually.
⇒ $CI-SI=\frac{40000\times8^{2}\times(300+8)}{100^{3}}$
⇒ $CI-SI=\frac{788480000}{1000000}$
$\therefore CI-SI=788.48$
Hence, the correct answer is Rs.

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