Staff Selection Commission Combined Graduate Level Exam
Question : In a motor with 120 machine parts, 5% of the parts were defective. In another motor with 80 machine parts, 10% of the parts were defective. For the two motors considered together, the percentage of defective machine parts was:
Option 1: 7
Option 2: 6.5
Option 3: 7.5
Option 4: 8
Correct Answer: 7
Solution : We have, Defective parts in 120 machine parts = 5% of 120 = 6 Defective parts in 80 machine parts = 10% of 80 = 8 Total number of defectives parts = 6 + 8 = 14 Total number of machine parts = 120 +
Question : Water flows off the wings of birds and insects due- to the presence of
Option 1: Waxes
Option 2: Sugars
Option 3: Proteins
Option 4: Minerals
Correct Answer: Waxes
Solution : The correct option is - Waxes.
As wax layer for protecting feathers from water are found on insects and birds. Water slides down of the shield created by the feather's distinctive overlapping patterns and a unique waxy covering.
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. War is mostly glorified and (1)______ by society. The real picture of warfare is as horrific and (2)________ as one can imagine. Often, soldiers who witness death-like experiences suffer from psychological disorders and are (3)________ for the rest of their lives. Many war poems contrast all the sentimental myths about warfare by (4)_________ the harsh realities that soldiers face. The real trauma is seen in people who are left to (5)_________ for their loved ones after they are gone. Select the most appropriate option to fill in the blank number 1.
Option 1: sharpened
Option 2: cemented
Option 3: sacrificed
Option 4: eulogised
Correct Answer: eulogised
Solution : The correct answer is the fourth option.
Eulogised means to praise or extol, and in this case, it means that society often praises or speaks highly of war, which is consistent with the idea that war is glorified.
The meanings of the other options are
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
I started (lending) books from the library.
(1) borrowing
(2) lending of
(3) loan of
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
In the given sentence, the word "borrowing" is apt to use, as it means to take or receive something with the promise or intention of returning it. Moreover, the library is a place which provides access to several
Question : Select the option that can be used as a one-word substitute for the underlined group of words in the given sentence. The prime minister paid tributes to the martyrs by laying circular arrangements of flowers.
Option 1: buds
Option 2: posies
Option 3: bouquets
Option 4: wreaths
Correct Answer: wreaths
Solution : The correct choice is the fourth option.
A wreath is a circular arrangement of flowers typically used for decorations or laying on a grave.
Thus, the appropriate word for "circular arrangement of flowers" is "wreaths".
Question : Select the most appropriate option to fill in the blank.
The policeman stopped me ______ let me go after I showed him my pass.
Option 1: because
Option 2: so
Option 3: but
Option 4: or
Correct Answer: but
Solution : The correct choice is the third option.
Explanation:
In this context, but functions as a coordinating conjunction, indicating a contrast or unexpected action. It creates a connection between the contrasting actions of being stopped and being allowed to go. The use of but
Question : How many square tiles each of 4 dm sides will be required to cover the floor of a room 8 m long and 6 m broad?
Option 1: 200
Option 2: 260
Option 3: 280
Option 4: 300
Correct Answer: 300
Solution : We know that: the area of the floor of the room = Length × Breadth. The area of the floor = 8 m × 6 m = 48 m2 = 4800 dm2 (since 1 m = 10 dm) The area of each tile
Question : The following sentence has been split into four segments. Identify the segment that contains an error.
The newspaper reported / that it was a mystery / how the thieves enter / the house.
Option 1: the house.
Option 2: how the thieves enter
Option 3: that it was a mystery
Option 4: The newspaper reported
Correct Answer: how the thieves enter
Solution : The correct choice is the second option.
The error lies in the segment "how the thieves enter". The word "enter" is in the present tense, but it should be expressed in the past perfect tense, as this tense is used
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the options given. Select the most appropriate option for each number. Castles are home to a rich history. From blood feuds to tragic pasts, (1)______ love affairs to alleged ghosts, no castle is ever (2)______ a secret to unveil. Known locally as Chateaux Picomtal, Picomtal Castle (3)______ came under new ownership. During the renovation of the(4)______, a surprising discovery was made. Messages (5)______long ago were found on the floorboards of (6)______ upper chambers. The messages were written (7)______1880 and 1881 by Joachim Martin; the carpenter (8)______ installed the flooring. His messages were a diary of 72 entries of his daily (9)______, personal thoughts along with his emotions and feelings. Joachim’s (10)______is indeed a very personal account of the history of those times. The discovery gives us an honest look at an average person’s daily life over 135 years ago. Question: Select the most appropriate option to fill in the blank no. 6.
Option 1: the
Option 2: this
Option 3: an
Option 4: a
Correct Answer: the
Solution : The correct choice will be the first option.
The missing word is an article, and the is the most appropriate option to fill in blank no. 6. Including "the" before "upper chambers" helps to specify which floorboards the passage is referring to, making the sentence
Question : Direction: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series.
NOA, PQB, RSC, ?
Option 1: TUD
Option 2: TVD
Option 3: TUE
Option 4: TVE
Correct Answer: TUD
Solution : Given: NOA, PQB, RSC, ?
First letter of the series → N + 2 = P; P + 2 = R; R + 2 = T
Second letter of the series → O + 2 = Q; Q + 2 = S; S + 2
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