Staff Selection Commission Multi Tasking Staff Exam
Question : If the number p is 5 more than q and the sum of the square of p and q is 55, then the product of p and q is:
Option 1: 10
Option 2: –10
Option 3: 15
Option 4: –15
Correct Answer: 15
Solution : Given: p = q + 5 ⇒ p – q = 5 Also, p2 + q2 = 55 ⇒ p2 + q2 – 2pq + 2pq = 55 ⇒ (p – q)2 + 2pq = 55 ⇒ 25 + 2pq
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
In the early 1920's, settlers came to Alaska looking for (1)_____. They travelled by boat to the coastal towns of Seward and Knik, and from there by land into the gold fields. The trail they used to (2)______ inland is known today as the Iditarod Trail, one of the National Historic Trails designated (3)_____ the Congress of the United States. The Iditarod Trail quickly became a major thoroughfare in Alaska, as the mail and supplies were (4)_____ across this trail. People also used it to get from place to place, including the priests, ministers, and judges who had to travel between villages. In the winter, the settlers' only means of travel down this trail was via dog (5)______. Question: Select the most appropriate option to fill in the blank No. 3.
Option 1: by
Option 2: in
Option 3: of
Option 4: at
Correct Answer: by
Solution : The first option is the correct answer.
Among the options provided, "by" is the most appropriate choice to complete the phrase. The passage indicates that the Iditarod Trail is one of the National Historic Trails designated by the Congress of the United States, implying that
Question : The process of depositing a layer of zinc on iron is called:
Option 1: galvanisation
Option 2: filtration
Option 3: sedimentation
Option 4: crystallisation
Correct Answer: galvanisation
Solution : The correct option is galvanisation.
The process of depositing a layer of zinc on iron is called galvanisation. It is a method of protecting iron or steel from corrosion by applying a protective coating of zinc. This process helps prevent rusting and extends the lifespan
Question : Select the most appropriate SYNONYM of the given word.
Maestro
Option 1: Genius
Option 2: Senile
Option 3: Slender
Option 4: Novice
Correct Answer: Genius
Solution : The correct option is the first option.
Explanation: In the context of the word Maestro, the key idea is someone who is a master or an expert, particularly in the field of music or the arts.
The term genius aligns closely with this concept,
Question : Select the word from the options that is exactly opposite in meaning to the bracketed word given in the sentence below.
Ruffin is seeking that (harmony) of humour in truth-telling amid despair.
Option 1: Conformity
Option 2: Discord
Option 3: Sectional
Option 4: Determination
Correct Answer: Discord
Solution : The correct choice is the second option.
Harmony is a term used to describe a situation where elements coexist peacefully, creating a pleasing and unified whole. It often implies a positive and cooperative environment. On the other hand, discord is the antonym of harmony. Discord
Question : Jaya invested Rs. 14800 at 8.5% per annum on simple interest. The interest earned after 6 months is:
Option 1: Rs. 642
Option 2: Rs. 598
Option 3: Rs. 629
Option 4: Rs. 580
Correct Answer: Rs. 629
Solution : Given: Principal = Rs. 14800 Rate of Interest = 8.5% per annum Time = 6 months = 0.5 years $\therefore$ Simple interest = $\frac{\text{Principal × Rate × Time}}{100}=\frac{14800\times8.5\times0.5}{100}$ = Rs. 629 Hence, the correct answer is Rs. 629.
Question : The most crucial portion of any computer is the -----.
Option 1: I / O Unit
Option 2: Hard Disk
Option 3: CPU
Option 4: Memory
Correct Answer: CPU
Solution : The Correct Option is the CPU.
The logic circuitry that reacts to and executes the fundamental commands that power a computer is known as a processor (CPU). Given that it interprets the majority of computer orders, the CPU is regarded as the primary and most
Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series. 728, 717, 695, 662, 618, ?
Option 1: 564
Option 2: 561
Option 3: 563
Option 4: 562
Correct Answer: 563
Solution : Given: 728, 717, 695, 662, 618, ?
Subtract consecutive multiples of 11 from the previous number to get the next number – 728 – 11 = 717; 717 – 22 = 695; 695 – 33 = 662; 662 – 44 = 618; 618 – 55
Question : Directions: Eight boys M, N, O, P, Q, R, S, and T are sitting in a row, facing toward the north (but not necessarily in the same order). R is fifth to the right of M. P is fifth to the right of Q.Q is to the immediate right of M. T is third to the left of P. N is third to the right of S. S is an immediate neighbour of M. Which of the following statements is/are correct? I. N is third to the left of R. II. P is sixth to the right of M.
Option 1: Only I
Option 2: Both I and II
Option 3: Neither I nor II
Option 4: Only II
Correct Answer: Both I and II
Solution : Given: (I) Eight boys M, N, O, P, Q, R, S, and T are sitting in a row, facing towards the north. North facing row; Left end; _, _, _, _, _, _, _, _;Right end (II) R is fifth to the
Question : Silicon is a:
Option 1: semiconductor
Option 2: insulator
Option 3: non-conductor
Option 4: carbon dioxide
Correct Answer: semiconductor
Solution : The correct answer is semiconductor.
Semiconductors have resistivity less than an insulator but more than a conductor. Semiconductors are crystalline solids which have intermediate electrical conductivity between the conductor and insulator. They are also known as metalloids. Some common semiconductors are- silicon, germanium etc. They
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