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12 Views

Question : If the sum of the roots of a quadratic equation is 1 and the product of the roots is –20, find the quadratic equation.

Option 1: $x^{2}–x–20=0$

Option 2: $x^{2}+x+20=0$

Option 3: $x^{2}+x–20=0$

Option 4: $x^{2}–x+20=0$

Team Careers360 25th Jan, 2024

Correct Answer: $x^{2}–x–20=0$


Solution : Given: The sum of the roots = 1
The product of the roots is = –20
We know that quadratic equation: $x^{2}–(\text{sum of the root})x+(\text{product of the root})=0$
⇒ $x^{2}–(1)x+(–20)=0$
⇒ $x^{2}–x–20=0$
Hence, the correct answer is $x^{2}–x–20=0$.

11 Views

Question : Identify the segment that contains a grammatical error. If there is no error, select 'No Error'.
George handing the / hairpin to Ron, / a moment later.

Option 1: George handing the

Option 2: hairpin to Ron,

Option 3: a moment later.

Option 4: No Error

Team Careers360 24th Jan, 2024

Correct Answer: George handing the


Solution : The first option is correct.

  • The error in the sentence is in the segment "George handing the".
  • The sentence describes an action in the past, which is George handing a hairpin to Ron.
  • To convey this action in the correct past tense, the
23 Views

Question : 10 consecutive numbers are given. If the average of the two numbers given in the middle is 13.5, then what is the sum of the first 6 numbers?

Option 1: 58

Option 2: 55

Option 3: 67

Option 4: 69

Team Careers360 23rd Jan, 2024

Correct Answer: 69


Solution : Given that the average of two middle numbers in a list of 10 consecutive numbers is 13.5.
Let the smaller one be $x$.
Therefore, the next number is $x+1$.
The average of these two numbers is given by:
$⇒\frac{x + (x+1)}{2} = 13.5$
$\therefore x

11 Views

Question : Which one of the following languages is not specified in the Eighth Schedule of the Indian Constitution?

Option 1: Urdu

Option 2: English

Option 3: Sindhi

Option 4: Sanskrit

Team Careers360 25th Jan, 2024

Correct Answer: English


Solution : The correct answer is English.

The Eighth Schedule of the Indian constitution includes India's official languages, as designated by the government for use in state legislatures across the country. Unlike ancient languages, there are no set criteria for the selection of official languages. Currently,

19 Views

Question : Select the most appropriate option that can substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
The teacher asked the students to be quite during the exam.

Option 1: No substitution

Option 2: be quiet

Option 3: have quiet

Option 4: been quiet

Team Careers360 23rd Jan, 2024

Correct Answer: be quiet


Solution : The correct answer is the second option.

The original sentence has a spelling error; "quite" should be "quiet". "Quiet" means to make little or no noise, which is the intended meaning in this context. So, "be quiet" is the correct substitution that rectifies the

33 Views

Question : Two circles of radius 2.4 cm and 4 cm, respectively, have a common tangent. The distance between the centres of the two circles is 6.5 cm. If the common tangent does not intersect the line joining the centres, then find the length of a common tangent to the circles.

Option 1: 6.0 cm

Option 2: 6.2 cm

Option 3: 6.1 cm

Option 4: 6.3 cm

Team Careers360 22nd Jan, 2024

Correct Answer: 6.3 cm


Solution :
Given: $r{_1}=2.4$ cm, $r{_2}=4$ cm, $d=6.5$ cm
Length of the common tangent
= $\sqrt{d^2-(r{_1}-r{_2})^2}$
= $\sqrt{6.5^2-(2.4-4)^2}$
= $\sqrt{42.25-(1.6)^2}$
= $\sqrt{42.25-2.56}$
= $\sqrt{39.96}$
= $6.3$ cm
Hence, the correct answer is 6.3 cm.

4 Views

Question : If the difference between the average of $x, y$ and $y, z$ is 12, then the difference between $x$ and $z$ is:

Option 1: 24

Option 2: 48

Option 3: 12

Option 4: 6

Team Careers360 23rd Jan, 2024

Correct Answer: 24


Solution : Given: The difference between the average of $x$, $y$ and $y$, $z$ is 12.
According to the question,
$\frac{x+y}{2}–\frac{y+z}{2}=12$
⇒ $\frac{x+y–y–z}{2}=12$
⇒ $\frac{x–z}{2}=12$
⇒ $x–z=24$
Hence, the correct answer is 24.

10 Views

Question : Who choreographed the Bollywood song "Mohe Rang Do Laal" from Bajirao Mastani?

Option 1: Saroj Khan

Option 2: Farah Khan

Option 3: Ganesh Acharya

Option 4: Birju Maharaj

Team Careers360 21st Jan, 2024

Correct Answer: Birju Maharaj


Solution : The correct option is Pandit Birju Maharaj.

The Bollywood song "Mohe Rang Do Laal" from the movie "Bajirao Mastani" was choreographed by Pandit Birju Maharaj. He is a renowned Indian classical dancer and choreographer, and he worked on this song to bring the

7 Views

Question : Directions: Improve the bracketed part of each sentence.

Shreya is a winner, and there (is no point of denying that) fact.

(1) no denial in the

(2) no way we could deny

(3) no denying the

(4) No Improvement

Option 1: (1)

Option 2: (2)

Option 3: (3)

Option 4: (4)

Team Careers360 25th Jan, 2024

Correct Answer: (3)


Solution : The sentence can be improved using the third option.

The phrase "There is no denying the fact" is the most appropriate choice here. It's a common expression used to assert that something is unquestionably true or evident. In the sentence, it conveys that there is

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