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Question : If $\theta$ be an acute angle and $\tan \theta+\cot \theta=2$, then the value of $2 \tan ^2 \theta+\cot ^2 \theta+\tan ^4 \theta \cot ^4 \theta$ is:
Option 1: 4
Option 2: 2
Option 3: 3
Option 4: 6
Correct Answer: 4
Solution : Given, $\tan \theta+\cot \theta=2$ We know, $\cot\theta=\frac{1}{\tan\theta}$ ⇒ $\tan\theta+\frac{1}{\tan\theta}=2$ ⇒ $\tan^2\theta+1=2\tan\theta$ ⇒ $\tan^2\theta+1-2\tan\theta=0$ ⇒ $(\tan\theta-1)^2=0$ ⇒ $\tan\theta-1=0$ ⇒ $\tan\theta = 1$ [As $\theta$ is an acute angle] ⇒ $\cot\theta=1$ Now consider, $2 \tan ^2 \theta+\cot ^2 \theta+\tan ^4 \theta \cot ^4 \theta$ = $2\times(1)^2+1^2+(1)^4\times(1)^4$ =
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
Dumbfounded by the accusation, he could offer no serious defence.
(1) correct
(2) certain
(3) severe
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option.
In this sentence, the word "serious" is used correctly and appropriately to convey the intended meaning. It indicates that the person was deeply shocked or bewildered by the accusation and, as a result, could not provide a substantial
Question : Which of the following devices is generally used to check multiple choice questions ?
Option 1: OCR
Option 2: OMR
Option 3: MICR
Option 4: Bar Code Reader
Correct Answer: OMR
Solution : The correct answer is OMR.
An OMR (Optical Mark Recognition) scanner is a device that is often used to verify multiple-choice questions (MCQs). By recognising the presence or absence of marks in designated regions, OMR technology is particularly intended to identify and analyse marked replies
Question : Select the most appropriate meaning of the given idiom. In high spirits
Option 1: mad
Option 2: joyful
Option 3: angry
Option 4: hopeful
Correct Answer: joyful
Solution : The correct choice is the third option.
Explanation: In high spirits is an idiom that means to be excited or very happy. It refers to being in a state of being cheerful or in a positive mood.
Therefore, the correct answer is, joyful.
Question : Select the most appropriate option to fill in the blank. Multi-client messaging systems make it easier to keep in_____________.
Option 1: dairy
Option 2: touch
Option 3: roll
Option 4: secret
Correct Answer: touch
Solution : The second option is correct.
Explanation: Keeping in touch implies regular communication, maintaining relationships, and staying updated with each other's lives or activities. Therefore, in the context of a multi-client messaging system, it's highlighting the ease of staying connected with multiple individuals or clients simultaneously,
Question : Two boats go downstream in a river at a speed of 35 km/hr and 25 km/hr. The speed of the stream is 4 km/hr. The distance between both boats initially is 60 km. In how much time will they meet if the boats are going downstream?
Option 1: 10 hours
Option 2: 13 hours
Option 3: 6 hours
Option 4: 8 hours
Correct Answer: 6 hours
Solution : The relative speed of both the boats = 35 km/hr – 25 km/hr = 10 km/hr Distance = 60 km ⇒ Time = $\frac{\text{Distance}}{\text{Speed}}=\frac{60}{10}=6$ hours Hence, the correct answer is 6 hours.
Question : Directions: A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., A can be represented by 00, 12, 23 etc., and P can be represented by 58, 69, 75 etc. Similarly, you have to identify the set for the word given in each question. POET
Matrix I
Matrix II
Option 1: 69, 88, 67, 65
Option 2: 75, 55, 65, 67
Option 3: 77, 88, 98, 78
Option 4: 75, 66, 76, 78
Correct Answer: 69, 88, 67, 65
Solution : Given: POET
Number representations of each letter – P→58, 69, 75, 86, 97 O→55, 66, 77, 88, 99 E→56, 67, 78, 89, 95 T→59, 65, 76, 87, 98
First option: 69, 88, 67, 65; All the letters of the word POET can
Question : Three numbers are in the ratio 5 : 6 : 7. If the product of the number is 5670, then the greatest number is:
Option 1: 15
Option 2: 18
Option 3: 21
Option 4: 28
Correct Answer: 21
Solution : Given: Three numbers are in the ratio 5 : 6 : 7. Let the numbers be $5x,6x,$ and $7x$, respectively. The product of the number is 5670. According to the question, $5x×6x×7x = 5670$ ⇒ $x^{3}=\frac{5670}{5×6×7}$ ⇒ $x^{3} = 27$ $\therefore x = 3$ $\therefore$
Question : The Karma tribal dance form is associated with which of the following states?
Option 1: Chhattisgarh
Option 2: Goa
Option 3: Kerala
Option 4: Karnataka
Correct Answer: Chhattisgarh
Solution : The correct answer is Chhattisgarh.
Karma is a folk dance that is performed during the worship of the Karam Devta. It is famous in Chhattisgarh and is also performed in Jharkhand, MP, and Odisha. Karma is a tribal community dance that is performed by
Question : The Unlawful Activities (Prevention) Act, which provides for the more effective prevention of certain unlawful activities of individuals and associations dealing with terrorist activities, was first put into effect in India in the year ---------------------
Option 1: 1991
Option 2: 1967
Option 3: 2014
Option 4: 1947
Correct Answer: 1967
Solution : The correct answer is 1967.
The Unlawful Activities (Prevention) Act of 1967 aims at the effective prevention of unlawful activity associations in India. Unlawful activities mean any action done by any individual society or association that intends to disrupt the territorial integrity and sovereignty
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