Staff Selection Commission Combined Higher Secondary Level Exam
Question : Bhushan's monthly income is 45,000 and his monthly expenditure is 33,000. if his monthly income is increased by 22% while monthly expenditure is increased by 11%, then what is his new monthly savings (in INR)?
Option 1: 18,270
Option 2: 18,690
Option 3: 18,000
Option 4: 19,000
Correct Answer: 18,270
Solution : Bhushan's monthly income = INR 45,000 Bhushan's monthly expenditure = INR 33,000 Monthly income after 22% increase = 45,000 × $\frac{122}{100}$ = INR 54,900 Monthly expenditure after 11% increase = 33,000 × $\frac{111}{100}$ = INR 36,630 New monthly savings = INR (54,900 – 36,630) =
Question : The nutritive tissue in the seeds of higher plants is known as :
Option 1: hypocotyl
Option 2: embryo
Option 3: endosperm
Option 4: nucellus
Correct Answer: endosperm
Solution : The correct option is endosperm.
The nutritive tissue in the seeds of higher plants is known as the "endosperm." The endosperm is a tissue that stores nutrients, particularly starch, proteins, and oils, which provide nourishment to the developing embryo as it germinates and begins to
Question : The Newton's First law is also called as:
Option 1: Law of moments
Option 2: Law of interia
Option 3: Law of energy
Option 4: law of momentum
Correct Answer: Law of interia
Solution : The correct option is Law of Inertia.
Newton's First Law of Motion is also known as the "Law of Inertia." This law states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion
Question : Directions: In the following question, find the wrong number in the series. 30, 27, 36, 45, 72
Option 1: 30
Option 2: 27
Option 3: 36
Option 4: 72
Correct Answer: 30
Solution : Given: 30, 27, 36, 45, 72
In the above-given series, the sum of the digits of the numbers equals 9. 30 = 3 + 0 = 3 ≠ 9; 27 = 2 + 7 = 9; 36 = 3 + 6 =9; 45 = 4
Question : Select the most appropriate synonym of the word 'Pervasive' from the given sentence.
The scientist's hypothesis was substantiated by extensive research and experimentation.
Option 1: Extensive
Option 2: Substantiated
Option 3: Experimentation
Option 4: Hypothesis
Correct Answer: Extensive
Solution : The first option is the correct answer.
The adjective pervasive means spreading widely throughout an area or a group of people. Extensive means covering a wide range or having a large scope.
The meanings of the other options are as follows:
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. 1, 48, 4, 24, 7, ?, 10, 2
Option 1: 8
Option 2: 2
Option 3: 18
Option 4: 12
Correct Answer: 8
Solution : Given: 1, 48, 4, 24, 7, ?, 10, 2
Add 3 to each alternate term to get the next alternate term of the series. 1 + 3 = 4; 4 + 3 = 7; 7 + 3 = 10 Also, divide other alternate terms by
Question : If $\cos \theta=\frac{9}{13}$, then what is the value of $\operatorname{cosec} \theta$?
Option 1: $\frac{13}{\sqrt{22}}$
Option 2: $\frac{13 \sqrt{22}}{44}$
Option 3: $\frac{2 \sqrt{22}}{13}$
Option 4: $\frac{\sqrt{22}}{13}$
Correct Answer: $\frac{13 \sqrt{22}}{44}$
Solution : Given, $\cos\theta = \frac{9}{13}$ We know, $\sin^2\theta+\cos^2\theta=1$ ⇒ $\sin θ = \sqrt{(1 - \cos^2θ)}$ ⇒ $\sin θ = \sqrt{(1 - (\frac{9}{13})^2)}$ ⇒ $\sin θ = \sqrt{1 - \frac{81}{169}}$ ⇒ $\sin θ = \sqrt{\frac{88}{169}}=\frac{2\sqrt{22}}{13}$ ⇒ $\operatorname{cosec} θ = \frac{1}{\sin θ}=\frac{13}{2\sqrt{22}} = \frac{13\sqrt{22}}{44}$ Hence, the correct
Question : Directions: How many triangles are there in the given figure?
Option 1: 18
Option 2: 19
Option 3: 17
Option 4: 16
Correct Answer: 19
Solution : The given figure can be labelled as shown below –
There are 19 triangles in the above-labelled figure. They are ADB, BDC, CDF, ADF, ABF, BCF, ABC, ACF, JLM, MLK, MJK, FIE, EIH, GIH, FIG, FEH, FGH, EFG, EGH.
Hence, the second option is correct.
Question : Global warming is expected to result in
Option 1: increase in level of sea
Option 2: change in crop pattern
Option 3: change in coastline
Option 4: all of the above
Correct Answer: all of the above
Solution : The correct answer is all the above.
Higher sea levels, change in coastline, more intense weather phenomena, change in crop pattern, modifications to precipitation patterns, more acidic seas, and changes in plant and animal life are all predicted as a result of
Question : Directions: In a certain code language, PYRE is coded as 5108 and YELP is coded as 8601. What is the code for R in the given code language?
Option 1: 0
Option 2: 1
Option 3: 8
Option 4: 5
Correct Answer: 5
Solution : Given: 1. PYRE ⇒ 5108 2. YELP ⇒ 8601
By comparing the coded words, we find that – In words 1 and 2, the common letters are P, Y, and E and the common codes are 8, 0, and 1. The remaining letters and code
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