Staff Selection Commission Multi Tasking Staff Exam
Question : When a watch is sold at $\frac{7}{8}$ th of the marked price, there is a profit of 25%. At what percentage more than the cost price has the marked price of the watch been fixed? [Give your answer correct to 2 decimal places.]
Option 1: 34.46%
Option 2: 42.86%
Option 3: 37.15%
Option 4: 30%
Correct Answer: 42.86%
Solution : Use : Profit % = $\frac{\text{Profit}}{\text{Cost Price}}$×100 Let the Marked Price = $M$, Costb Price = $C$ According to the question ⇒ 25 = $\frac{\frac{7}{8}M - C}{C}$×100 ⇒ $\frac{25}{100}$ = $\frac{7M - 8C}{8C}$ ⇒ $\frac{1}{4}$ = $\frac{7M - 8C}{8C}$ ⇒ $2C = 7M - 8C$
Question : Directions: On interchanging the given two numbers, which of the following equations will be correct? 1 and 6 I. 7 – 5 + 1 × 3 ÷ 6 = 20 II. 1 × 7 + 6 – 4 ÷ 2 = 40
Option 1: Only I
Option 2: Neither I nor II
Option 3: Both I and II
Option 4: Only II
Correct Answer: Only I
Solution : Given: I. 7 – 5 + 1 × 3 ÷ 6 = 20 II. 1 × 7 + 6 – 4 ÷ 2 = 40
I. 7 – 5 + 1 × 3 ÷ 6 = 20 On interchanging the numbers in the first
Question : In 1526, Babur defeated the Sultan of Delhi, Ibrahim Lodi at ______ and captured Delhi and Agra.
Option 1: Mathura
Option 2: Malwa
Option 3: Lahore
Option 4: Panipat
Correct Answer: Panipat
Solution : The correct answer is Panipat.
In 1526, Babur, the Timurid ruler, achieved a significant victory when his Mughal forces defeated the larger army led by Ibrahim Lodi, the Sultan of Delhi. This historic battle took place on April 21 near the village of Panipat,
Question : Directions: Which two numbers should be interchanged to make the given equation correct? 4 + 40 × 5 – 16 ÷ 8 = 79
Option 1: 16 and 4
Option 2: 4 and 40
Option 3: 5 and 16
Option 4: 40 and 16
Correct Answer: 40 and 16
Solution : Given: 4 + 40 × 5 – 16 ÷ 8 = 79
Let's check the options – First option: 16 and 4 On interchanging the numbers, we get – 16 + 40 × 5 – 4 ÷ 8 = 79 Solving the L.H.S.
Question : The speeds of the three cars are in the ratio of 1 : 3 : 5. The ratio of the time taken by these cars to travel the same distance is:
Option 1: 3 : 5 : 15
Option 2: 15 : 3 : 5
Option 3: 15 : 5 : 3
Option 4: 5 : 3 : 15
Correct Answer: 15 : 5 : 3
Solution : We know, Speed ∝ $\frac{1}{time}$ So, the ratio of time taken = $1:\frac{1}{3}$ : $\frac{1}{5}$ = 15 : 5 : 3 Hence, the correct answer is 15 : 5 : 3.
Question : Select the option that will improve the bracketed part of the sentence. In case no improvement is needed, select 'No improvement required'.
In the past, (he spent many an hours playing the harp across the) 5th Ave.
Option 1: he spent many an hour playing the harp across the
Option 2: he spent much hours playing the harp across the
Option 3: no improvement required
Option 4: he had spent many an hours playing the harp across the
Correct Answer: he spent many an hour playing the harp across the
Solution : The correct choice will be the first option.
The original sentence contains a grammatical error. The phrase many an hours should be corrected to many an hour. The use of many an. suggests a poetic or
Question : At the age of______, Mahavira left home and went to live in a forest.
Option 1: 35
Option 2: 27
Option 3: 33
Option 4: 30
Correct Answer: 30
Solution : The correct answer is 30.
Mahavira, the 24th Tirthankara of Jainism, left his home and went to live in a forest at the age of 30. He left his home in pursuit of spiritual awakening and adopted an ascetic life. He wandered for about 12
Question : Kharchi Pooja of Tripura is a Hindu festival where _____ Hindu gods are worshipped, including the Earth.
Option 1: 5
Option 2: 14
Option 3: 12
Option 4: 16
Correct Answer: 14
Solution : The correct answer is 14.
Kharchi Puja, a prominent festival in Tripura, India, is celebrated on the eighth lunar day of Ashadha, usually in July. Held in Agartala, the ceremony venerates the 14 gods integral to the Tripuri people's dynasty. Lasting a week, the
Question : Find the part of the given sentence that has an error in it. If there is no error, choose 'No Error'.
Disease-carrying parasites is not picky about hosts.
Option 1: about hosts
Option 2: Disease-carrying parasites
Option 3: No Error
Option 4: is not picky
Correct Answer: is not picky
Solution : The correct choice is the fourth option.
Explanation: The subject here is parasites, which is a plural noun. As the verb is (singular) it doesn’t agree in number with the plural subject. The correct form is the plural form of the
Question : Directions: Which two signs should be interchanged to make the given equation correct? 68 ÷ 2 – 42 + 108 × 12 = 103
Option 1: = and –
Option 2: + and –
Option 3: ÷ and ×
Option 4: ÷ and +
Correct Answer: ÷ and ×
Solution : Given: 68 ÷ 2 – 42 + 108 × 12 = 103
Replace the given symbols in the options one by one with the original symbols in the given equation. First option: = and – 68 ÷ 2 = 42 + 108 ×
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