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Question : The radius of a cylinder is 14 cm. If the height of the cylinder is four times of its radius, then what is the curved surface area of the cylinder?
Option 1: 5546 cm2
Option 2: 4928 cm2
Option 3: 4694 cm2
Option 4: 5214 cm2
Correct Answer: 4928 cm2
Solution : Given that: $r= 14$ cm and $h = 4r= 4 × 14 = 56$ cm $\therefore$ Curved surface of the cylinder = $2\pi r h=2 \times \frac{22}{7} \times 14 \times 56 = 4928$ cm2 Hence, the correct answer is 4928 cm2
Question : The following bar graph shows the total number of newspaper readers (in thousands) in a city during 6 consecutive months in a particular year and the respective percentages of the above-mentioned readers who read Hindi newspapers. The rest of the readers read English newspapers.
Note: Total readers = Hindi newspaper readers + English newspaper readers
What is the difference between the number of Hindi newspaper readers during January, February, and April taken together and that of English newspaper readers during March, May, and June taken together?
Option 1: 154500
Option 2: 114500
Option 3: 176500
Option 4: 138700
Correct Answer: 114500
Solution : Total Hindi newspaper readers during January, February, and April taken together = $\frac{65}{100}×140+\frac{70}{100}×150+\frac{90}{100}×75$ = 91 + 105 + 67.5 = 263.5 thousand Total English newspaper readers during March, May, and June taken together = $\frac{60}{100}×130+\frac{50}{100}×110+\frac{20}{100} × 80$ = 6 × 13 + 5 × 11
Question : Directions: If a mirror is placed on line AB then out of the option figures which figure will be the right image of the question figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line AB). So, the left side of the reflected image will appear
Question : Select the most appropriate meaning of the underlined word. Saurabh imitates his boss perfectly.
Option 1: Admires
Option 2: Worships
Option 3: Copies
Option 4: Hates
Correct Answer: Copies
Solution : The correct choice is the third option.
In the context provided, the word imitates implies that Saurabh is replicating or copying the actions, behaviour, or mannerisms of his boss. It does not suggest admiration, worship, or hatred, but rather the act of mimicking or
Question : The income of A is 10% more than the income of B. Let B's income be $x$% less than A's income. Find $x$.
Option 1: $9\frac{1}{11}$%
Option 2: $10\frac{1}{11}$%
Option 3: $11$%
Option 4: $10$%
Correct Answer: $9\frac{1}{11}$%
Solution : Given: The income of A is 10% more than the income of B. Let B's income be $x$% less than A's income. Let the income of B be 100 units. So, the income of A = (100 + 10) = 110 units B's income is
Question : The "Servants of India Society" was the brainchild of which of the following leaders?
Option 1: Chittaranjan Das
Option 2: Gopal Krishna Gokhale
Option 3: B.R. Ambedkar
Option 4: Lala Lajpat Rai
Correct Answer: Gopal Krishna Gokhale
Solution : The correct answer is Gopal Krishna Gokhale.
The Servants of India Society, established by Gopal Krishna Gokhale in 1905, aimed to combine and train individuals from diverse ethnic and religious backgrounds for welfare activities. Pioneering as the first secular organisation in India dedicated
Question : Directions: In the following question, select the related number from the given alternatives. 236 : 4936 :: 724 : ?
Option 1: 49416
Option 2: 7416
Option 3: 49164
Option 4: 49464
Correct Answer: 49416
Solution : Given: 236 : 4936 :: 724 : ?
Like, 236 : 4936→On squaring the digits→(2)2 = 4; (3)2 = 9; (6)2 = 36 Now, combine all the numbers→4936 Similarly, 724 : ?→On squaring the digits→(7)2 = 49; (2)2 = 4;
Question : The number of balls, each one is 4 cm in the diameter that can be made from a solid metallic sphere of diameter 32 cm is:
Option 1: 256
Option 2: 64
Option 3: 512
Option 4: 1024
Correct Answer: 512
Solution : Let $n$ be the number of balls made. Given, The radius of new spherical balls (r) = 2 cm The radius of the bigger ball (R) = 16 cm Volume of bigger ball = n(Volume of smaller balls) ⇒ $\frac43\pi R^3=n(\frac43\pi r^3)$ ⇒ $16\times16\times16=n\times2\times2\times2$ $\therefore
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold parts at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
The rain brought more respite from the heat.
(1) much respite
(2) most relief
(3) severe drought
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct option is the first option.
It improves the sentence by providing a more appropriate word choice. Respite means a short period of rest or relief from something difficult or unpleasant and is an uncountable noun. Much respite is the correct choice, as much
Question : Directions: In the following question, select the missing number from the given series. 480, 240, 120, 60, 30, ?
Option 1: 21
Option 2: 18
Option 3: 15
Option 4: 17
Correct Answer: 15
Solution : Given: 480, 240, 120, 60, 30, ?
In the given series, divide the previous term by 2 to obtain the next term. 480 ÷ 2 = 240; 240 ÷ 2 = 120; 120 ÷ 2 = 60; 60 ÷ 2 = 30; 30 ÷ 2
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