Staff Selection Commission Combined Higher Secondary Level Exam
Question : The atomic number of an atom gives the number of which of the following?
Option 1: Electron
Option 2: Protons
Option 3: Neutrons
Option 4: Neutrons and protons
Correct Answer: Protons
Solution : The correct option is Protons.
The number of protons in an atom is equivalent to the element's atomic number. The total number of protons and neutrons in an atom is referred to as the mass number. The atomic number plus the neutron count equals
Question : From the northmost to the southmost point of India, what is the extent of India?
Option 1: 4109 km
Option 2: 2914 km
Option 3: 3214 km
Option 4: 3785 km
Correct Answer: 3214 km
Solution : The correct option is 3214 km.
From the northmost point in the state of Jammu and Kashmir (Indira Col., Siachen Glacier) to the southmost point at Kanyakumari, Tamil Nadu, India spans approximately 3,214 kilometres (1,997 miles). This vast north-south extent encompasses diverse geographical
Question : Directions: Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. _op_mo_n__pnmop_
Option 1: mpnmno
Option 2: mnmopn
Option 3: mnpmon
Option 4: pmnopn
Correct Answer: mnpmon
Solution : Given: _op_mo_n__pnmop_
To fill the series we have to divide the series — _op_ / mo_n / __pn / mop_ Let's check each option — First option: mpnmno; mopp / monn / mnpn / mopo (No repeated pattern
Question : Select the most appropriate one-word substitution for the given group of words. The violation or profanation of anything sacred or held sacred
Option 1: Sacramental
Option 2: Holy
Option 3: Pious
Option 4: Sacrilege
Correct Answer: Sacrilege
Solution : The fourth option is correct.
The most appropriate one-word substitution for the violation or profanation of anything sacred or held sacred will be sacrilege.
Sacrilege: It refers to the violation or misuse of what is regarded as sacred.
The meanings of the other words are:
Question : In India, silver fir, junipers, pines and birches are the common trees of which of the following forests?
Option 1: Tropical deciduous forests
Option 2: Mangrove forests
Option 3: Tropical evergreen forests
Option 4: Montane forests
Correct Answer: Montane forests
Solution : The correct option is Montane Forests.
Silver fir, junipers, pines, and birches are typically found in the montane forests. Montane forests are found in mountainous regions and are characterised by a variety of tree species that are adapted to the specific conditions of
Question : Directions: If the 19th of June 2001 is Tuesday, what will be the day of the week on the 21st of August 2009?
Option 1: Sunday
Option 2: Friday
Option 3: Thursday
Option 4: Monday
Correct Answer: Friday
Solution : Given: 19th of June 2001 is Tuesday.
Let's calculate the total number of days from the 19th of June 2001 to the 21st of August 2009 –
Number of days from 19 June 2001 to 31 December 2001 = 11 + 31 + 31 +
Question : _______ is the key circuit board holding the essential processing parts of a computer.
Option 1: Firmware
Option 2: Central Processing Unit
Option 3: Random Access Memory
Option 4: Motherboard
Correct Answer: Motherboard
Solution : The correct option is Motherboard.
The key circuit board holding the essential processing parts of a computer is called the motherboard. The motherboard serves as the central hub for connecting various components, such as the CPU (Central Processing Unit), memory (RAM), storage devices, graphics cards,
Question : Sneha fixes the marked price of an item 40% above its cost price. What is the percentage of discount allowed to gain 12%?
Option 1: 34%
Option 2: 40%
Option 3: 20%
Option 4: 25%
Correct Answer: 20%
Solution : Let the cost price be Rs. 100. So, marked price = Rs. 140 Profit = 12% of cost price Selling price = cost price + profit = 100 + 12% of Rs. 100 = Rs. 112 Discount = marked price – selling price = Rs.
Question : What is the value of $\frac{\frac{5}{3} \text { of } \frac{1}{4} \times \frac{24}{5}-\frac{1}{5} \text { of } \frac{25}{8} \times \frac{24}{5}}{\frac{5}{12} \text { of } \frac{3}{4} \times \frac{4}{3}+\frac{3}{4} \text { of } \frac{12}{5} \times \frac{5}{6}}$?
Option 1: $-\frac{24}{23}$
Option 2: $-\frac{12}{23}$
Option 3: $-\frac{25}{46}$
Option 4: $-\frac{28}{23}$
Correct Answer: $-\frac{12}{23}$
Solution : $\frac{\frac{5}{3} \text { of } \frac{1}{4} \times \frac{24}{5}-\frac{1}{5} \text { of } \frac{25}{8} \times \frac{24}{5}}{\frac{5}{12} \text { of } \frac{3}{4} \times \frac{4}{3}+\frac{3}{4} \text { of } \frac{12}{5} \times \frac{5}{6}}$ $=\frac{\frac{5}{12}\times\frac{24}{5}-\frac{25}{40}\times\frac{24}{5}}{\frac{15}{48}\times\frac{4}{3}+\frac{36}{20}\times \frac{5}{6}}$ $=\frac{2-3}{\frac{5}{12}+\frac{3}{2}}$ $=\frac{-1}{\frac{5+18}{12}}$ $=\frac{-12}{23}$ Hence, the correct answer is $\frac{-12}{23}$.
Question : Directions: What will come in the place of the question mark (?) in the following equation if + and – are interchanged and × and ÷ are interchanged? 11 ÷ 42 × 3 – 69 + 25 = ?
Option 1: 189
Option 2: 210
Option 3: 198
Option 4: 205
Correct Answer: 198
Solution : Given: 11 ÷ 42 × 3 – 69 + 25 = ?
After interchanging the signs as per the instructions, we get – = 11 × 42 ÷ 3 + 69 – 25 = 11 × 14 + 69 – 25 = 154 + 69
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