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Question : Study the given table and answer the question that follows. Production of masks (in millions) by a company during the first half of 2020
In the case of Activated carbon masks, in which pair of months was the production equal?
Option 1: April and June
Option 2: April and July
Option 3: July and September
Option 4: April and May
Correct Answer: April and June
Solution : From the table, we can see that the production of Activated carbon Masks was equal in April and June, with a production of 250 million masks each month. Hence, the correct answer is 'April and June'.
Question : Directions: Select the option that is related to the fifth letter cluster in the same way as the second letter cluster is related to the first letter cluster and the fourth letter cluster is related to the third letter cluster. PLANT : VPCNR :: STOMP : ROQVU :: BOARD : ?
Option 1: DPCTF
Option 2: DQCTF
Option 3: FTDQC
Option 4: FTCQD
Correct Answer: FTCQD
Solution : Given: PLANT : VPCNR :: STOMP : ROQVU :: BOARD : ?
Reverse the letters of PLANT and STOMP and then add 2 to the place value of each letter to obtain its related letter cluster. Reverse the letters of PLANT→TNALP Now, add 2→T +
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 4, 6, 12, 14, 28, 30, ?
Option 1: 62
Option 2: 60
Option 3: 54
Option 4: 52
Correct Answer: 60
Solution : Given: 4, 6, 12, 14, 28, 30, ?
Follow the pattern to find the missing term –
So, 60 is the missing number of the series. Hence, the second option is correct.
Question : The percentage marks obtained by 6 students in different subjects are given below. The maximum marks for each subject have been indicated in the table.
P Q R S T U
What are the approximate percentage marks obtained by student T in all subjects together?
Option 1: 65
Option 2: 58
Option 3: 47
Correct Answer: 58
Solution : T's marks in Physics = $80×\frac{65}{100}=52$ T's marks in Mathematics = $150×\frac{60}{100}=90$ T's marks in Hindi = $100×\frac{45}{100}=45$ T's marks in Geography = $75×\frac{88}{100}=66$ T's marks in English = $120×\frac{50}{100}=60$ T's marks in History = $50×\frac{42}{100}=21$ T's total marks = 52 + 90 + 45
Question : The lateral surface area of a cylinder is 1056 cm2 and its height is 16 cm. Find its volume.
Option 1: 4545 cm3
Option 2: 4455 cm3
Option 3: 5445 cm3
Option 4: 5544 cm3
Correct Answer: 5544 cm3
Solution : Given: Lateral surface area of a cylinder = 1056 cm2 Height ($h$) = 16 cm Let the radius be $r$. Lateral surface area of cylinder = $2\pi r h$ ⇒ $1056 = 2×\frac{22}{7}×r×16$ ⇒ $r = \frac{1056×7}{2×22×16}$ = $\frac{21}{2}$ Now, Volume of
Question : The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don't find any errors, mark 'No Error' as your answer.
The committee recommended / that the bill / be passed immediately.
Option 1: the committee recommended
Option 2: No Error
Option 3: that the bill
Option 4: be passed immediately.
Correct Answer: No Error
Solution : The correct choice is the second option.
There is no error in the sentence, and it conveys the intended meaning that the bill should be passed immediately.
Therefore, the sentence is: The committee recommended that the bill be passed immediately.
Question : Which of the following is an example of a Ball and Socket joint in humans?
Option 1: Wrist Joint
Option 2: Hip Joint
Option 3: Finger Joint
Option 4: Neck Joint
Correct Answer: Hip Joint
Solution : The correct option is the Hip joint.
The hip joint is a ball-and-socket joint formed by the rounded head of the femur (thigh bone) fitting into the pelvic cup-shaped acetabulum. This type of joint allows for a variety of movements, such as flexion, extension,
Question : If $x^2+y^2=29$ and $xy=10$, where $x>0,y>0$ and $x>y$. Then the value of $\frac{x+y}{x-y}$ is:
Option 1: $- \frac{7}{3}$
Option 2: $\frac{7}{3}$
Option 3: $\frac{3}{7}$
Option 4: $-\frac{3}{7}$
Correct Answer: $\frac{7}{3}$
Solution : Given: $x^2+y^2=29$, $xy=10$ $x^2+y^2=29$ ⇒ $x^2+y^2+20=29+20$ (adding 20 on both sides) ⇒ $x^2+y^2+2×10=49$ ⇒ $x^2+y^2+2×xy=49$ (as $xy=10$) ⇒ $(x+y)^2=7^2$ ⇒ $x+y=7$ Now, ⇒ $x^2+y^2-20=29-20$ (subtracting 20 on both sides) ⇒ $x^2+y^2-2×xy=9$ (as $xy=10$) ⇒ $(x-y)^2=3^2$ ⇒ $x-y=3$ In the same way, we get $x-y=3$ So,
Question : Directions: Which two signs should be interchanged to make the given equation correct? 16 + 4 ÷ 2 × 12 − 4 = 40
Option 1: + and ×
Option 2: + and −
Option 3: ÷ and ×
Option 4: ÷ and +
Correct Answer: + and ×
Solution : Given: 16 + 4 ÷ 2 × 12 − 4 = 40
Replace the given signs in the question one by one with the original signs in the given equation. First option: + and × ⇒ 16 × 4 ÷ 2 + 12
Question : Directions: If JUNE is written as PQRS, and AUGUST is written as WQFQMN. How can GUEST be written in the same coding language?
Option 1: FPSMN
Option 2: FQSMN
Option 3: FQSNM
Option 4: FQTMN
Correct Answer: FQSMN
Solution : Given: JUNE is written as PQRS and AUGUST is written as WQFQMN.
Code the letters of the word JUNE with equivalent letters given in the code. J→P; U→Q; N→R; E→S Thus, JUNE is coded as PQRS. And, AUGUST is written as WQFQMN. A→W; U→Q; G→F;
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