Staff Selection Commission Combined Graduate Level Exam
Question : Ramesh, on his way to his hometown, travelled the first 250 km at a speed of 75 km/hr and the next 250 km at a speed of 85 km/hr. Find the average speed for the whole journey (correct to 2 decimal places).
Option 1: 80.55 km/hr
Option 2: 79.69 km/hr
Option 3: 79.20 km/hr
Option 4: 80.69 km/hr
Correct Answer: 79.69 km/hr
Solution : Given: Ramesh travelled the first $250$ km at $75$ km/hr. So, the time taken was $\frac{250}{75}=\frac{10}{3}$ hr The next $250$ km were covered at the speed of $85$ km/hr. So, the time taken was $\frac{250}{85}=\frac{50}{17}$ hr Average speed for the whole journey $=\frac{\text{Total distance}}{\text{Total
Question : Select the INCORRECTLY spelt word.
Option 1: Opportunity
Option 2: Reliance
Option 3: Appraoch
Option 4: Bureau
Correct Answer: Appraoch
Solution : The incorrectly spelt word is the third option.
The correct spelling is "approach".
Approach means the way or method of dealing with a situation, task, or problem. It can also refer to the act of coming near or closer to someone or something.
The meanings
Question : The maximum strength of Rajya Sabha is
Option 1: 220
Option 2: 200
Option 3: 250
Option 4: 240
Correct Answer: 250
Solution : The correct option is 250.
The Rajya Sabha, the upper chamber of the Indian Parliament, has a maximum membership of 250 members. The delegates of the states and union territories elect 238 of the 250 members, while the President of India nominates 12 members for
Question : The hormone that stimulates the heartbeat is
Option 1: Adrenaline
Option 2: Gastrin
Option 3: Glycogen
Option 4: Dopamine
Correct Answer: Adrenaline
Solution : The correct option is Adrenaline.
Adrenaline, often known as epinephrine, is the hormone that increases heart rate. The adrenal glands create adrenaline which plays an important role in the body's "fight-flight" response, boosting heart rate and preparing the body for exertion or stress.
Question : Directions: Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation. 50 * 10 * 20 * 5 * 105
Option 1: ÷, ×, +, =
Option 2: ×, −, +, =
Option 3: ÷, ×, −, =
Option 4: ×, ÷, +, =
Correct Answer: ÷, ×, +, =
Solution : Given: 50 * 10 * 20 * 5 * 105
Replace * with the mathematical signs and solve the equations one by one using the BODMAS. Let's check the given options – First option: ÷, ×, +, = ⇒ 50 ÷ 10
Question : Which of the following vitamins help in the absorption of calcium ?
Option 1: Vitamin A
Option 2: Vitamin D
Option 3: Vitamin B
Option 4: Vitamin C
Correct Answer: Vitamin D
Solution : The correct option is Vitamin D
Vitamin D is a vitamin that aids in calcium absorption. Vitamin D is important for the absorption of calcium from the intestines into the bloodstream, which is required for healthy bones and teeth. Additionally, vitamin D supports calcium
Question : Amoebic dysentery is caused by
Option 1: Entamoeba histolytica
Option 2: Salmonella typhi
Option 3: E. coli
Option 4: Streptococcus pyogenes
Correct Answer: Entamoeba histolytica
Solution : The correct option is Entamoeba histolytica.
Amebic dysentery is caused by a microscopic parasite called Entamoeba histolytica. This parasite is found in the intestines of infected people. It can be spread through contact with contaminated food or water, or through sexual contact. Amoebic dysentery
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
The building collapsed (1) / at the afternoon (2) / at about 4 o'clock. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The error lies in the second part of the sentence.
Explanation: The correct preposition to use when referring to a specific time, such as morning, afternoon, or evening is "in". Therefore, it should be "in the afternoon" rather than "at the afternoon". However, when specifying
Question : Study the following bar graph and answer the questions given below. Total number of boys and girls in schools A, B, C, D and E. Difference between the number of boys and girls in schools A, B, C, D and E. Note: The number of boys > the number of girls. What is the difference between the number of girls in school A and the number of girls in school C?
Option 1: 20
Option 2: 30
Option 3: 35
Option 4: 25
Correct Answer: 25
Solution : For School A Number of Boys + Number of Girls = 1800 and, Number of Boys – Number of Girls = 350 ⇒ 2 (Number of girls in school A) = 1450 ⇒ Number of girls in school A = $\frac{1450}{2}$ = 725 For School
Question : Directions: Select the cube that can be formed by folding the given sheet along the lines.
Option 1: Only C and D
Option 2: Only A and B
Option 3: Only A and C
Option 4: Only A, B and C
Correct Answer: Only C and D
Solution : In the 3D view of dice, 1. Each face out of the three faces in the 3D view should be from all the pairs. 2. Two opposite faces cannot appear adjacently in the 3D view of a folded cube figure. So, the
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