Staff Selection Commission Combined Higher Secondary Level Exam
Question : In a circle, two chords $AB$ and $CD$ intersect each other internally at point $P$. If $AB=16\; cm, PB =6\;cm $, and $PD =12\; cm$, then the value of $PC$ (in $cm $) is equal to:
Option 1: 3
Option 2: 8
Option 3: 6
Option 4: 5
Correct Answer: 5
Solution : $AB =$ 16 cm $PB =$ 6 cm $\therefore AP =$ 16 – 6 = 10 cm $PD =$ 12 cm $PC = x $ cm $\because$ Two chords $AB$ and $CD$ intersect at point $P$ in a circle then, $AP \times PB = CP\times
Question : Directions: If A means +, B means –, C means ÷ and D means ×, then 63 C 9 A 16 B 32 D 3 C 8 = ?
Option 1: 11
Option 2: 13
Option 3: 10
Option 4: 9
Correct Answer: 11
Solution : Given: 63 C 9 A 16 B 32 D 3 C 8 = ?
On replacing the alphabet with the symbols, we get – = 63 ÷ 9 + 16 – 32 × 3 ÷ 8 = 7 + 16 – 12 = 23 –
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2, and 3 which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (4).
I sat down to do my assignment. Instead of that, I watched a movie.
(1) I watched a movie instead
(2) and I watched a movie
(3) I began watching a movie
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The sentence can be improved using the first option.
Instead should be used at the end of the sentence to make it grammatically accurate and convey the intended meaning that the speaker ended up watching a movie instead of studying.
Therefore, the correct statement should
Question : The length of the diagonals of a rhombus is 40 cm and 60 cm. What is the length of the side of the rhombus?
Option 1: $50 \sqrt{3} \ \text{cm}$
Option 2: $20 \sqrt{3}\ \text{cm}$
Option 3: $10 \sqrt{13}\ \text{cm}$
Option 4: $40 \sqrt{13}\ \text{cm}$
Correct Answer: $10 \sqrt{13}\ \text{cm}$
Solution : Let's denote the length of the side of the rhombus as $s$ and the diagonal as $d1$ and $d2$. According to the given information, the diagonals of the rhombus are 40 cm and 60 cm. These diagonals divide the rhombus into four congruent
Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 129 : 32 :: 109 : 27 :: 289 : ?
Option 1: 54
Option 2: 96
Option 3: 72
Option 4: 28
Correct Answer: 72
Solution : Given: 129 : 32 :: 109 : 27 :: 289 : ?
In the above-given number pairs, subtract 1 from the first number and then divide the resultant by 4, to get the second number. Like, 129 : 32→129 – 1 = 128; 128 ÷
Question : Who was conferred with the Ashok Chakra for his gallantry in the 26/11 Mumbai terrorist attacks?
Option 1: Mohan Chand Sharma
Option 2: Hemant Karkare
Option 3: R. P. Diengdoh
Option 4: Mohit Sharma
Correct Answer: Hemant Karkare
Solution : The correct option is Hemant Karkare.
Hemant Karkare, the chief of the Mumbai Anti-Terrorist Squad, was posthumously conferred with the Ashoka Chakra for his gallantry during the 26/11 Mumbai terrorist attacks. He displayed exceptional bravery and sacrificed his life in the line of
Question : The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1?
Option 1: 90
Option 2: 120
Option 3: 220
Option 4: 240
Correct Answer: 120
Solution : The current ratio of boys to girls in the school is 7 : 5. This means that out of every 12 students (7 boys + 5 girls), 7 are boys and 5 are girls. The number of boys and girls in the school is 720.
Question : Directions: Select the correct option that indicates the arrangement of the given words in a logical and meaningful order. 1. Hectometre 2. Millimetre 3. Decimetre 4. Decametre 5. Kilometre
Option 1: 2, 3, 4, 1, 5
Option 2: 2, 3, 5, 1, 4
Option 3: 3, 2, 4, 1, 5
Option 4: 3, 2, 5, 1, 4
Correct Answer: 2, 3, 4, 1, 5
Solution : Given: 1. Hectometre 2. Millimetre 3. Decimetre 4. Decametre 5. Kilometre
The units of length are arranged in increasing order of their magnitude in the metric system. The correct order as per the metric system – Millimetre→Decimetre→Decametre→Hectometre→Kilometre
So, the correct order
Question : Directions: Find the missing numbers from the given responses.
Option 1: 11, 17
Option 2: 17, 11
Option 3: 17, 19
Option 4: 19, 17
Correct Answer: 11, 17
Solution : Here, the sum of each column is equal to 45.
Like, in the first column→14 + 13 + 18 = 45 And, in the second column→19 + 15 + ? = 45; ? = 11 Similarly, in the third column→12 + ? + 16
Question : Directions: In a certain code language, U @ H means U is the son of H; U % H means U is the daughter of H; U & H means U is the mother of H; U # H means U is the father of H. If N % M # R @ L & K, then how is N related to K?
Option 1: Brother
Option 2: Daughter
Option 3: Son
Option 4: Sister
Correct Answer: Sister
Solution : Given: U @ H ⇒ U is the son of H U % H ⇒ U is the daughter of H U & H ⇒ U is the mother of H U # H ⇒ U is the father of H
As per the given
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