Staff Selection Commission Combined Graduate Level Exam
Question : Who invented Dynamite?
Option 1: John Boyd Dunlop
Option 2: Alfred Nobel
Option 3: James Simons
Option 4: Peter Hargreaves
Correct Answer: Alfred Nobel
Solution : The correct option is Alfred Nobel.
Dynamite and other explosives were invented by Swedish chemist, engineer, and industrialist Alfred Nobel. The Swedish industrialist and inventor Alfred Nobel created the Nobel Prize through his testament. He created this award to use scientific knowledge for
Question : Directions: Select the option that represents the letters that, when placed from left to right in the blanks below, will complete the letter series. ABC_A_CCAB_C_B_C
Option 1: ABBCC
Option 2: CABBA
Option 3: CBCAC
Option 4: ACCBA
Correct Answer: CBCAC
Solution : Given: ABC_A_CCAB_C_B_C
To fill the series we have to divide the series – ABC_ / A_CC / AB_C / _B_C
Let's check each option – First option: ABBCC; ABCA / ABCC / ABBC / CBCC (No
Question : The HCF of two numbers 110 and 1980 is:
Option 1: 140
Option 2: 110
Option 3: 120
Option 4: 180
Correct Answer: 110
Solution : Given numbers are 110 and 1980. 110 = 2 × 5 × 11 1980 = 2 × 2 × 3 × 3 × 5 × 11 So, HCF = 2 × 5 × 11 = 110 Hence, the correct answer is 110.
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".
Neither the chips, which were cheaper, nor the pizza interested the kid.
(1) No Error
(2) were cheaper
(3) nor the pizza
(4) the chips, which
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct option is the fourth option.
Explanation: The use of "which" in this sentence is incorrect, and its omission would help in avoiding redundancy. The structure "Neither...nor" is a correlative conjunction that pairs elements, and in this case, "were cheaper" provides details about "the
Question : Directions: Which of the answer figures is the exact mirror image of the given problem figure when the mirror is held on the right side?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line AB). So, the left side of the reflected image will appear
Question : A boat covers 12 km upstream and 18 km downstream in 3 hours, while it covers 36 km upstream and 24 km downstream in $6\frac{1}{2}$ hours. What is the speed of the current?
Option 1: 1.5 km/hr
Option 2: 1 km/hr
Option 3: 2 km/hr
Option 4: 2.5 km/hr
Correct Answer: 2 km/hr
Solution : Let the downstream speed of the boat = $u$ km/hr and the upstream speed of the boat be $v$ km/hr, then the Speed of current = $\frac{u-v}{2}$ According to the question, $\frac{18}{u} +\frac{12}{v}=3 $ (equation 1) $\frac{24}{u} +\frac{36}{v}=\frac{13}{2} $ (equation 2) Multiply by 3
Question : Select the most appropriate ANTONYM of the underlined word.
Construction plays a central role in transforming the natural environment into the built environment, and many considerations and restrictions can apply before a project is given consent to proceed in terms of how it may influence the environment.
Option 1: Bickering
Option 2: Expulsion
Option 3: Directive
Option 4: Interdiction
Correct Answer: Interdiction
Explanation: Consent refers to the approval or permission for something to happen or proceed. In this context, interdiction aligns most closely with the opposite meaning of granting permission or consent, as it implies a prohibition or restriction on
Question : Tax on inheritance is called
Option 1: Excise duty
Option 2: Estate duty
Option 3: Gift tax
Option 4: Sales tax
Correct Answer: Estate duty
Solution : The correct option is Estate duty.
One term used to describe an inheritance tax is "estate tax." The government imposes an estate tax on assets granted to beneficiaries upon the death of the original owner, including money, real estate, and investments. The inherited assets
Question : Synapse gap is present between which of the following?
Option 1: Two neurons
Option 2: Brain and spinal cord
Option 3: Two kidneys
Option 4: None of these
Correct Answer: Two neurons
Solution : The correct option is Two neurons
The term "synaptic gap" or "synaptic cleft" refers to the small space or gap that exists between one neuron's synaptic terminal and the dendrites or cell body of another neuron. It is a necessary component of the
Question : If a sum of Rs. 1,170 was distributed among A, B, and C in the ratio 2 : 3 : 4, by mistake, in place of $\frac{1}{2}:\frac{1}{3}:\frac{1}{4}$, who was benefited most and by how much?
Option 1: B, Rs. 220
Option 2: C, Rs. 250
Option 3: B, Rs.270
Option 4: A, Rs. 280
Correct Answer: C, Rs. 250
Solution : The amount each person received when the sum was mistakenly distributed in the ratio = 2 : 3 : 4 The total parts in the ratio = 2 + 3 + 4 = 9 The amount each person should have received if the
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