Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: A square sheet of paper is folded along the dotted line successively along the directions shown and is then punched in the last. How would the paper look when unfolded?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the paper is unfolded, the sheet of paper will look as follows –
Hence, the third option is correct.
Question : Directions: Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group? NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Option 1: 153 – 17
Option 2: 261 – 29
Option 3: 94 – 11
Option 4: 207 – 23
Correct Answer: 94 – 11
Solution : Let's check the options – First option: 153 – 17; 153 ÷ 9 = 17 Second option: 261 – 29; 261 ÷ 9 = 29 Third option: 94 – 11; 94 ÷ 9 = 10.44 ≠ 11 Fourth option: 207 – 23; 207
Question : A toothpaste marked at INR 90 is sold for INR 78. The rate of discount is:
Option 1: 15.23%
Option 2: 14.22%
Option 3: 12.13%
Option 4: 13.33%
Correct Answer: 13.33%
Solution : Given: A toothpaste marked at INR 90 is sold for INR 78. Discount = Marked Price – Selling Price = 90 – 78 = INR 12 So, discount percentage = $\frac{12}{90}×100=13.33$% Hence, the correct answer is 13.33%.
Question : Which of the following is a form of sexual reproduction?
Option 1: Fragmentation
Option 2: Hermaphroditism
Option 3: Budding
Option 4: Fission
Correct Answer: Hermaphroditism
Solution : The correct answer is Hermaphroditism.
Sexual reproduction is the process in which both male and female gametes fuse to form a progeny. In this, the formation of gametes takes place. Hermaphroditism is a condition in which both the male and female sex cells are
Question : Directions: Study the double bar graph given below and answer the question.
The percentage of students of class VIII participating in cultural events out of the total participating cultural events is:
Option 1: 30%
Option 2: 25%
Option 3: 35%
Option 4: 40%
Correct Answer: 25%
Solution : From the given graph, The total number of students participating in the cultural event of class VIII = 60 + 45 + 45 + 30 = 180 The number of students of class VIII participating in the cultural event = 45 The required percentage =
Question : Two circles with diameters of 50 cm and 58 cm, respectively, intersect each other at points A and B, such that the length of the common chord is 40 cm. Find the distance (in cm) between the centres of these two circles.
Option 1: 34
Option 2: 37
Option 3: 36
Option 4: 35
Correct Answer: 36
Solution : Given: MA = $\frac{50}{2}$ = 25 cm, NA = $\frac{58}{2}$ = 29 cm and OA = OB = $\frac{40}{2}$ = 20 cm From $\triangle$AMO, OM = $\sqrt{25^2-20^2}=\sqrt{225}$ = 15 cm Also from $\triangle$ANO, ON = $\sqrt{29^2-20^2}=\sqrt{441}$ = 21 cm So, the distance between the centres
Question : Directions: Four letter clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter cluster.
Option 1: QSU
Option 2: UWY
Option 3: CEG
Option 4: HJI
Correct Answer: HJI
Solution : Let's check each option – First option: QSU; Q + 2 = S; S + 2 = U Second option: UWY; U + 2 = W; W + 2 = Y Third option: CEG; C + 2 = E; E + 2 = G Fourth
Question : Directions: In the questions, 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.
Virat bats very well, didn't he?
(1) isn't it
(2) doesn't he
(3) wasn't it
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The second option is the correct answer.
It should be replaced with ''doesn't he'' thus indicating the interrogative sentence whether Virat bats well. There is an error in the use of the question tag. A question tag is a short interrogative phrase added to the
Question : Directions: Select the figure that will come next in the following figure series.
Solution : According to the given figures – 1. From one box to another, the number of lines in each box is increasing by 1. 2. The hollow circle in each box is with the added line. So, following the above pattern, the required figure will be as
Question : The chief raw material used for manufacturing Rayon is:
Option 1: Nylon
Option 2: Cellulose
Option 3: Silicon
Option 4: Radium and Argon
Correct Answer: Cellulose
Solution : The correct option is - Cellulose
A synthetic fiber made from recycled cellulose, rayon is also known as artificial silk. It is a semi-synthetic or artificial fiber because it is made from naturally occurring polymers, which makes it neither entirely synthetic nor naturally occuring.
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