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Question : Directions: Below are given some Roll Numbers of candidates registered at different centers for examination. The first two digits from the left stand for the center code and the next four for the serial number of the candidates registered at the center.
Now answer the following question based on this sample of Roll Numbers.
Which of the following centers had the highest serial number of candidates?
Option 1: 83
Option 2: 56
Option 3: 65
Option 4: 85
Correct Answer: 56
Solution : There are 5 centers in total, namely – 83 (Highlight with red), 65 (Highlight with blue), 56 (Highlight with green), 85 (Highlight with pink), 48 (Highlight with purple)
The highlighted figure will be –
Let's check each option –
First option: 83 → 4381 +
Question : Directions: Which two numbers should be interchanged, to make the given equation correct? 7 × 3 – 98 ÷ 14 + 5 = 31
Option 1: 5 and 3
Option 2: 7 and 98
Option 3: 31 and 7
Option 4: 3 and 14
Correct Answer: 5 and 3
Solution : Given: 7 × 3 – 98 ÷ 14 + 5 = 31
Replace the given numbers in the options one by one with the original numbers in the given equation. First option: 5 and 3 7 × 3 – 98 ÷ 14 +
Question : Directions: A father increases the pocket money of his son by 20%. If the son gets Rs. 300 after the increase, find his pocket money before the increase.
Option 1: Rs. 250
Option 2: Rs. 240
Option 3: Rs. 200
Option 4: Rs. 230
Correct Answer: Rs. 250
Solution : Let the pocket money of the son before the increase be Rs. A
Pocket money after the increase of 20% = $A + (\frac{A × 20}{100})$
According to the given statement, ⇒ $A + (\frac{20A}{100})=300$ ⇒ $\frac{100A+20A}{100}=300$ ⇒ $\frac{120A}{100}=300$ ⇒ $A = \frac{300×100}{120}$ ⇒
Question : Directions: Which two numbers, from amongst the given options, should be interchanged to make the given equation correct? (6)³ ÷ 12 + [(√81) x 4] – (28 ÷ 2) + 24 = 43
Option 1: 12 and 24
Option 2: 6 and 24
Option 3: 81 and 4
Option 4: 28 and 24
Correct Answer: 12 and 24
Solution : Given: (6)³ ÷ 12 + [(√81) x 4] – (28 ÷ 2) + 24 = 43
Interchanging the numbers as given in the options – First option: 12 and 24 (6)³ ÷ 24 + [(√81) x 4] – (28 ÷ 2) + 12
Question : Directions: In a certain code language, HALF is coded as 8041 and FLAG as 4980. What is the code for G in the given code language?
Option 1: 4
Option 2: 9
Option 3: 0
Option 4: 8
Correct Answer: 9
Solution : Given: 1. HALF ⇒ 8041 2. FLAG ⇒ 4980
By comparing both the words and code, we find that – Common letters – A, L, F and common codes – 0, 8, 4. The remaining letter and the code in the word HALF are H
Question : $\triangle PQR$ is right-angled at $Q$. The length of $PQ$ is 5 cm and $\angle P R Q=30^{\circ}$. Determine the length of the side $QR$.
Option 1: $5 \sqrt{3}~cm$
Option 2: $3 \sqrt{3}~cm$
Option 3: $\frac{1}{\sqrt{3}}~cm$
Option 4: $\frac{5}{\sqrt{3}}~cm$
Correct Answer: $5 \sqrt{3}~cm$
Solution : $\angle PRQ$ = 30° ⇒ $\tan 30° = \frac{PQ}{QR}$ ⇒ $\frac{1}{\sqrt3} = \frac{5}{QR}$ ⇒ $QR = 5\sqrt{3}$ cm Hence, the correct answer is $5\sqrt{3}~cm$.
Question : Which of the following is not an official language of the United Nations?
Option 1: English
Option 2: Arabic
Option 3: Japanese
Option 4: Chinese
Correct Answer: Japanese
Solution : The correct answer is Japanese.
Japanese is not an official language of the United Nations. There are 6 official languages of the United Nations which are: Arabic, Chinese, English, French, Russian and Spanish. The United Nations was founded on October 24, 1945, and it
Question : The total surface area of a cylinder is 4092 cm2 and the diameter of its base is 21 cm. What is 50% volume (in cm3) of the cylinder (nearest to an integer)?
Option 1: 8832
Option 2: 8822
Option 3: 8922
Option 4: 8932
Correct Answer: 8922
Solution :
The diameter of the base = 21 The radius of the base, $r$ = $\frac{21}{2}$ Let $h$ be the height. According to the question, Total surface area of cylinder = $2\pi r(r + h)$ ⇒ $2 \times \frac{22}{7} \times \frac{21}{2}(\frac{21}{2} + h) = 4092$ ⇒
Question : In which of the following parts of the human digestive system is the digestion of food completed?
Option 1: Small intestine
Option 2: Large intestine
Option 3: Mouth
Option 4: Stomach
Correct Answer: Small intestine
Solution : The correct option is the Small intestine
The digestion of food is primarily completed in the small intestine. It is in the small intestine that the majority of nutrient absorption occurs, and both mechanical and chemical digestion processes take place. Enzymes secreted by the
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer. The work was ____ by the rains.
Option 1: restricted
Option 2: prevented
Option 3: hampered
Option 4: obstructed
Correct Answer: hampered
Solution : The correct choice is the third option.
"Hampered" is impeding or slowing down the progress or development of something.
The meanings of the other options are as follows:
"Restricted" is limited or confined, usually by rules, regulations, or constraints.
"Prevented" is stopped or hindered from
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