Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. PON, RQP, TSR, VUT, ?
Option 1: WUY
Option 2: YXZ
Option 3: XWV
Option 4: UVW
Correct Answer: XWV
Solution : Given: PON, RQP, TSR, VUT, ?
Add 2 to the place value of each letter of the previous term to obtain the next term of the series – PON→P + 2 = R; O + 2 = Q; N + 2 = P RQP→R +
Question : Subtropical high-pressure belts are otherwise called:
Option 1: Furious fifties
Option 2: Screeching sixties
Option 3: Horse latitudes
Option 4: Roaring forties
Correct Answer: Horse latitudes
Solution : The correct answer is Horse latitudes.
The subtropical high-pressure belt is often called horse latitude, and it is situated around the 30-degree Northern and Southern hemispheres. Screeching or Shrieking Sixties is the region of Earth between 60 and 70 degrees south, which is
Question : Directions: In a certain code language, RATHER is coded as TGJUBS. What is the code for SAFETY in that code language?
Option 1: AVGGBT
Option 2: AVGBGT
Option 3: AVHGBT
Option 4: AVGHBT
Correct Answer: AVGGBT
Solution : Given: RATHER is coded as TGJUBS.
Add 1 in the place value of the first three letters and add 2 in the place value of the next three letters, and then shuffle their position as shown, to obtain the required code – Thus, RATHER is
Question : The ratio of the length of a school ground to its width is 5 : 2, if the width is 40 m then the length is:
Option 1: 200 m
Option 2: 100 m
Option 3: 50 m
Option 4: 80 m
Correct Answer: 100 m
Solution : Let the length of the ground be $l$ m. Width = $w$ = 40 m (given) $\frac{l}{w} = \frac{5}{2}$ ⇒ $\frac{l}{40} = \frac{5}{2}$ ⇒ $l = \frac{5\times 40}{2}$ $\therefore l = 100 $ m Hence, the correct answer is 100 m.
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at line AB as shown.
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 : The pie chart given below shows the runs scored by 5 batsmen in a cricket match. The total runs scored by these batsmen are 300. Runs scored by a batsman are shown as a percentage of runs scored by all these five batsmen. What are the average runs scored in F, I, and J?
Option 1: 48
Option 2: 36
Option 3: 42
Option 4: 58
Correct Answer: 48
Solution : Total Runs scored = 300 Runs scored by F = 18% of 300 $= 300\times\frac{18}{100}$ = 54 Runs scored by I = 24% of 300 $= 300\times\frac{24}{100}$ = 72 Runs scored by J = 6% of 300 $= 300\times\frac{6}{100}$ = 18 ⇒ Average = $\frac{54+72+18}{3}
Question : Directions: I is the brother of K. H is the wife of I. J is the mother of L. K is the brother of J. How K is related to L?
Option 1: Nephew
Option 2: Maternal Uncle
Option 3: Brother
Option 4: Father
Correct Answer: Maternal Uncle
Solution : As per the given information, the family tree will be as follows –
Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
So, K is the maternal uncle of L. Hence, the second option is correct.
Question : What amount a man would have received on a principal of Rs. 7,500 after two years at simple interest at the rate of 7 percent per annum?
Option 1: Rs. 8,400
Option 2: Rs. 8,550
Option 3: Rs. 7,600
Option 4: Rs. 7,400
Correct Answer: Rs. 8,550
Solution : Given: Principal = Rs. 7500 Rate = 7% Time = 2 years Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ = $\frac{7500×7×2}{100}$ = 1050 Amount = Principal + simple interest = 7500 + 1050 = 8550 Hence, the correct answer is Rs. 8550.
Question : The table given below shows the income and expenditure of a company in five years.
What is the difference between total income and total expenditure of the company for these five years?
Option 1: 1260
Option 2: 1650
Option 3: 2040
Option 4: 1550
Correct Answer: 1550
Solution :
Total Income = 800 + 600 + 500 + 900 + 400 = 3200 Total Expenditure = 400 + 300 + 400 + 300 + 250 =
Question : What is the value of $\frac{(a+b)^2-(a-b)^2}{a b}$?
Option 1: 4
Option 2: 2
Option 3: 8
Option 4: 1
Correct Answer: 4
Solution : $(a + b)^2 - (a - b)^2$ $= (a^2 + 2ab + b^2) - (a^2 – 2ab + b^2)$ $= 4ab$ So, $\frac{(a+b)^2-(a-b)^2}{a b}$ $=\frac{4ab}{ab}$ $=4$ Hence, the correct answer is 4.
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