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Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.
If the total marks obtained by students are represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree)
Option 1: 188°
Option 2: 88°
Option 3: 68°
Option 4: 128°
Correct Answer: 88°
Solution : According to the question ⇒ Total students = 30 + 45 + 60 + 35 + 35 + 40 + 35 = 245 students The total central angle in a pie chart is 360 degrees Now, ⇒ 1 student corresponds to $\frac{360º}{245}$ Since 60 students
Question : Select the sentence that uses the given idiom correctly.
Cut corners
Option 1: He cut corners on his homework and got a bad grade.
Option 2: The artist cut corners on the painting, and it ended up looking unfinished.
Option 3: I always make sure to cut corners when I'm driving to save time.
Option 4: I cut corners to finish my project on time, and my boss praised me for my hard work.
Correct Answer: He cut corners on his homework and got a bad grade.
Solution : The correct choice is the first option.
The idiom "cut corners" means to 'do something quickly so as to save time or money.'
Therefore, the idiom states that "he tried to finish his homework quickly
Question : The table given below shows the production of bikes and trucks by five companies.
J1 = The average production of bikes by all the 5 companies. J2 = The average production of trucks by all the 5 companies. What is the value of J1 : J2?
Option 1: 35 : 34
Option 2: 37 : 33
Option 3: 34 : 35
Option 4: 31 : 37
Correct Answer: 34 : 35
Solution : Given: Total companies = 5 J1 = The average production of bikes by all the 5 companies. Total production = 300 + 175 + 200 + 75 + 100 = 850 Average of J1 $=\frac{\text{Total production}}{\text{Total number of companies}}=\frac{850}{5}=170$ J2 = The average
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it. First row – 47, 52, 57 Second row – 69, 74, 79 Third row – 86, 91, ?
Option 1: 96
Option 2: 94
Option 3: 76
Option 4: 232
Correct Answer: 96
Solution : Given: First row – 47, 52, 57 Second row – 69, 74, 79 Third row – 86, 91, ?
Add 5 in each number, to get the required missing number – First row: 47 + 5 = 52, 52 + 5 = 57 Second row:
Question : Select the option that expresses the given sentence in passive voice.
The officers kept us waiting for one hour.
Option 1: We were kept waiting for one hour by the officers.
Option 2: We kept waiting for one hour.
Option 3: We keep waiting for one hour.
Option 4: We are keeping waiting for one hour.
Correct Answer: We were kept waiting for one hour by the officers.
Explanation:
Passive voice is the voice in which the object experiences an action rather than the person who performs the action. Hence, the object in the active voice becomes
Question : Directions: A sentence or a part of the sentence is printed in bold. Below are given alternatives to the bold part that may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose "No Improvement".
Even at the peak of her success, Kalpana Chawala did not forget her home on her duty towards other humans; this is due to the fact that she distributed education of girls in India.
(1) she contributed girls for education
(2) she contributed to the education of girls
(3) she contributed to education of girls
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 2
Solution : The second option is the correct choice.
Explanation: The word distribute means to give things to a number of people, which is inappropriate in the given context with the term education. Contribute is the appropriate word, which means to make improvements in the
Question : What is the atomic mass of sodium?
Option 1: 32
Option 2: 40
Option 3: 23
Option 4: 12
Correct Answer: 23
Solution : The correct option is 23.
The atomic mass of sodium is approximately 22.99 atomic mass units (u) or grams per mole (g/mol). This value is often rounded to 23 g/mol for practical purposes in chemistry. Isotopes are atoms of the same element with different
Question : Directions: In a certain code language, door grill windows wood clothes are coded as kip dip lip sip tip, table wood chair stools are coded as rip nip dip pip, chair grill stools are coded as rip pip kip, and lock latch stools doors is coded as gip tip cip pip. How will the table be coded in that language?
Option 1: dip
Option 2: nip
Option 3: pip
Option 4: rip
Correct Answer: nip
Solution : Given: 1. doors grill windows wood clothes ⇒ kip dip lip sip tip 2. table wood chair stools ⇒ rip nip dip pip 3. chair grill stools ⇒ rip pip kip 4. lock latch stools doors ⇒ gip tip cip pip
By comparing all the
Question : Directions: What will come in the place of the question mark (?) in the following equation if + and – are interchanged and × and ÷ are interchanged? 40 × 10 − 20 + 10 ÷ 2 = ?
Option 1: 4
Option 2: 8
Option 3: 6
Option 4: 2
Correct Answer: 4
Solution : Given: 40 × 10 − 20 + 10 ÷ 2 = ?
Interchange the mathematical signs of the equation according to the instructions given – = 40 ÷ 10 + 20 – 10 × 2 = 4 + 20 – 10 × 2 = 4
Question : Grey hair is caused due to
Option 1: ageing of epidermal cells
Option 2: death of dermal cells
Option 3: loss of sebum in epidermal cells
Option 4: loss of melanin in epidermal cells
Correct Answer: loss of melanin in epidermal cells
Solution : The correct option is the loss of melanin in epidermal cells.
Grey hair is produced by a reduction in melanin synthesis inside hair follicles. Melanin is the pigment that gives our hair, skin, and eyes their colour. As we age,
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