Staff Selection Commission Multi Tasking Staff Exam
Question : What will be the ratio of the interests earned by identical sum of money invested at the same rate of simple interest for 6 years and for 15 years respectively?
Option 1: 3 : 5
Option 2: 5 : 3
Option 3: 5 : 2
Option 4: 2 : 5
Correct Answer: 2 : 5
Solution : Use the formula below. Simple Interest = $\frac{\text{Principle×Rate×Time}}{100}$ The simple interest earned for 6 years ($SI_1$) is given by: ⇒ $SI_1$ = $\frac{P×R×6}{100}$ where $P$ and $R$ are the principal and rate of interest respectively. Simple interest earned for 15 years ($SI_2$) is
Question : Directions: Words given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation. Cow : Herbivorous :: ?
Option 1: Elephant : Herbivorous
Option 2: Goat : Carnivorous
Option 3: Sheep : Carnivorous
Option 4: Carnivorous : Lion
Correct Answer: Elephant : Herbivorous
Solution : Given: Cow : Herbivorous :: ? (The cow is a herbivorous animal.)
Let's check the given options – First option: Elephant : Herbivorous; Elephant is a herbivorous animal. Second option: Goat : Carnivorous; Goat is a herbivorous animal. Third option: Sheep : Carnivorous;
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.
Dinner in the Great Hall that night (1)_________ a pleasant experience for Sunny. The (2)_________ about his shouting match with Umbridge had (3)__________ exceptionally fast, even (4)_________ standards. He heard whispers all (5)__________ as he sat eating between Rob and Ravi.
Question: Select the most appropriate option to fill in the blank number 2.
Option 1: information
Option 2: sequence
Option 3: account
Option 4: news
Correct Answer: news
Solution : The fourth option is correct.
In the given sentence, the word news refers to information or reports related to the incident involving the shouting match between the individual (referred to as "his") and Umbridge. So, it best fits the blank.
The meanings of the other
Question : Who is associated with the term 'Lok Nayak' in India?
Option 1: Lala Lajpat Rai
Option 2: Bal Gangadhar Tilak
Option 3: Jayaprakash Narayan
Option 4: Madan Mohan Malaviya
Correct Answer: Jayaprakash Narayan
Solution : The correct answer is Jayaprakash Narayan.
Jayaprakash Narayan is known as Lok Nayak, which means people's hero. He was born in Bihar and is one of the leaders of the Indian National Movement. He was also a member of the Indian National Congress
Question : P, Q, and R alone can do a piece of work in 5, 6, and 4 days, respectively. All three of them began the work together but Q left 1 day before completion of the work. In how many days was the work completed?
Option 1: $\frac{70}{37}$ days
Option 2: $\frac{100}{27}$ days
Option 3: $3$ days
Option 4: $\frac{80}{23}$ days
Correct Answer: $\frac{70}{37}$ days
Solution : Let the total number of days be t. Rate of P = $\frac{1}{5}$ per day Rate of Q = $\frac{1}{6}$ per day Rate of R = $\frac{1}{4}$ per day ⇒ Combined rate = $\frac{1}{5}$ + $\frac{1}{6}$ + $\frac{1}{4}$ = $\frac{12}{60}$ + $\frac{10}{60}$ + $\frac{15}{60}$
Question : Directions: In a certain code DELIBERATION is written as NOITAREBILED. How would INFIRMITY be written?
Option 1: ADONAEMI
Option 2: REBILEDNA
Option 3: YTIMRIFNI
Option 4: YTRMIFNI
Correct Answer: YTIMRIFNI
Solution : Given: DELIBERATION is written as NOITAREBILED.
Reverse the order of the letters of DELIBERATION, to get the required code – DELIBERATION→NOITAREBILED Thus, DELIBERATION is coded as NOITAREBILED. Similarly, follow the same pattern with INFIRMITY – INFIRMITY→YTIMRIFNI
Thus, INFIRMITY is coded as YTIMRIFNI. Hence, the third
Question : Directions: Select the option in which the pair of letter clusters share the same relationship as that shared by the given pair of letter clusters. TANK : NATK
Option 1: KORB : ROBK
Option 2: LEFT : ELFT
Option 3: PING : NIPG
Option 4: SAMP : AMSP
Correct Answer: PING : NIPG
Solution : Given: TANK : NATK
The position of the letters is being shuffled, to get the required code – Like, TANK : NATK
Let's check each option –
Question : The average weight of the 25 members of the group is 39 kg. The average weight of 27 members of another group is 21 kg. What will be the total weight of the members of both groups?
Option 1: 1426 kg
Option 2: 1542 kg
Option 3: 1507 kg
Option 4: 1714 kg
Correct Answer: 1542 kg
Solution : The average weight of 25 members of a group = 39 kg Total weight of 25 members of a group = 39 × 25 = 975 kg The average weight of 27 members of another group = 21 kg Total weight of 27 members
Question : Directions: In the following question, select the missing number of the given series. 30, 60, 180, 720, 3600, ?
Option 1: 25000
Option 2: 21600
Option 3: 12000
Option 4: 14400
Correct Answer: 21600
Solution : Given: 30, 60, 180, 720, 3600, ?
In the above-given series, multiply the number with consecutive natural numbers starting from 2 to obtain the next number. 30 × 2 = 60, 60 × 3 = 180, 180 × 4 = 720, 720 × 5 =
Question : A group of boys has an average weight of 42 kg. One boy weighing 48 kg leaves the group and another boy weighing 38 kg joins the group. If the average now becomes 41 kg, then how many boys are there in the group?
Option 1: 8
Option 2: 10
Option 3: 12
Option 4: 6
Correct Answer: 10
Solution : Given: A group of boys has an average weight of 42 kg. We know the formula, Average = $\frac{\text{sum of weight of all the boys}}{\text{the number of boys}}$. Let the boy's number be $x$. ⇒ $\frac{\text{sum of weight of all the boys}}{x}=42$ ⇒ $42x=\text{sum of
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