Staff Selection Commission Multi Tasking Staff Exam
Question : How much $66\frac{2}{3}$% of Rs. 312 exceeds Rs. 200?
Option 1: Rs. 96
Option 2: Rs. 4
Option 3: Rs. 8
Option 4: Rs. 104
Correct Answer: Rs. 8
Solution : Required difference = $66\frac{2}{3}$% of 312 – 200 = 312 × $\frac{2}{3}$ – 200 = 208 – 200 = 8 Hence, the correct answer is Rs. 8.
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.
If you enjoy (1)_____ crime shows on TV, you know that fingerprints play a large role in (2)_____ people. But, you might be (3)_____ to find out that using fingerprints for identification is not a new science. In fact, it is very old (4)_____ back at least as far as 1885-1913 B.C.E. In Babylon, when people agreed to a business contract, they pressed their fingerprints into the clay on which the contract was written. (5)_____ have also been found on clay seals from ancient China.
Select the most appropriate option to fill in the blank No. 3.
Option 1: certain
Option 2: calculable
Option 3: blocked
Option 4: surprised
Correct Answer: surprised
Solution : The correct choice is the fourth option.
Explanation:
The sentence discusses the potential reaction one might have upon discovering that using fingerprints for identification is not a new science but dates back to ancient times. The appropriate adjective to fill in the blank
Question : Select the most appropriate option to fill in the blank.
If we don't reverse course now, will anyone take anything we say about justice and ___________ with any seriousness for decades to come?
Option 1: righteousness
Option 2: mediation
Option 3: wickedness
Option 4: dishonesty
Correct Answer: righteousness
Solution : The correct choice is the first option.
Righteousness is the quality of being morally right or justifiable.
The meanings of the other options are as follows:
Question : Directions: In the following question, select the related number from the given alternatives. 110 : 12100 :: 170 : ?
Option 1: 2890
Option 2: 28900
Option 3: 18900
Option 4: 36100
Correct Answer: 28900
Solution : Given: 110 : 12100 :: 170 : ?
The second number is the square of the first number of the given pair. 110 : 12100→(110)2 = 12100 Similarly, 170 : ?→(170)2 = 28900
Hence, the second option is correct.
Question : Directions: Eight friends Rahul, Ram, Ramesh, Sohan, Sahil, Anil, Sonu, and Monu are sitting around a circular table facing towards the centre (not necessarily in the same order). Monu is to the immediate right of Sahil. Sonu is third to the left of Sahil. Ram is third to the right of Anil. Sohan is second to the right of Monu. Who is fourth to the right of Monu?
Option 1: Rahul
Option 2: Ram
Option 3: Sahil
Option 4: Sonu
Correct Answer: Sonu
Solution : Given: (I) Monu is to the immediate right of Sahil. Sonu is third to the left of Sahil.
(II) Ram is third to the right of Anil. Sohan is second to the right of Monu.
So, Sonu is fourth to the right of Monu. Hence,
Question : Pinki and Rinki together can do a piece of work in 20 days. Rinki and Minki together can do it in 12 days while Pinki and Minki together can do it in 15 days. For how long can Rinki alone do it?
Option 1: 20 days
Option 2: 25 days
Option 3: 30 days
Option 4: 10 days
Correct Answer: 30 days
Solution : Let the rates at which Pinki, Rinki, and Minki can complete the work as P, R, and M as work per day, respectively. From the problem, Pinki and Rinki together can do the work in 20 days. ⇒ P + R = $\frac{1}{20}$ Rinki
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. Tadpole : Frog :: Kitten : ?
Option 1: Deer
Option 2: Insect
Option 3: Cat
Option 4: Dog
Correct Answer: Cat
Solution : Given: Tadpole : Frog :: Kitten : ?
Like, Tadpole is the young one of Frog. Similarly, the Kitten is the young one of the Cat.
Hence, the third option is correct.
Question : Directions: Select the option that is related to the fifth alphanumeric cluster in the same way as the second alphanumeric cluster is related to the first alphanumeric cluster and the fourth alphanumeric cluster is related to the third alphanumeric cluster.
I81: K121 :: D16 : F36 :: O225 : ?
Option 1: P256
Option 2: P265
Option 3: Q289
Option 4: R324
Correct Answer: Q289
Solution : Given: I81: K121 :: D16 : F36 :: O225 : ?
Add 2 in the positional value of the alphabet to obtain the next cluster alphabet and the number is the square of the positional value of the alphabet.
I81: K121→ I; The positional value
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".
An emminent surgeon (1) / is visiting the hospital (2) / to attend a surgeons' conference. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The error lies in the first part of the sentence.
The adjective eminent means famous and respected within a particular sphere. This is the correct way to spell the word, and emminent is incorrectly spelt.
Therefore, the correct sentence is: "An eminent surgeon is visiting
Question : Directions: Which two numbers should be interchanged to make the given equation correct? 9 + 6 ÷ 4 − 5 + 3 = 10
Option 1: 6 and 10
Option 2: 10 and 5
Option 3: 9 and 3
Option 4: 4 and 3
Correct Answer: 4 and 3
Solution : Given: 9 + 6 ÷ 4 − 5 + 3 = 10
Let's check the options – First options: 6 and 10 9 + 3 ÷ 4 − 5 + 6 = 10 On solving the L.H.S. of the given equation – =
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