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Question : AB is the diameter of a circle with centre O. P is a point on it. If $\angle$POA = 120°. Then $\angle$PBO = ?
Option 1: 60°
Option 2: 120°
Option 3: 45°
Option 4: 50°
Correct Answer: 60°
Solution : $\angle$AOB = 180° $\angle$AOP = 120° we know that , $\angle$AOP + $\angle$POB = 180° ∴ $\angle$POB = 180° – 120° = 60° OP = OB = radius ∴ $\angle$OPB = $\angle$PBO = $\frac{120°}{2}=60°$ ($\because $ OP = OB) Hence, the correct answer is 60°.
Question : Directions: Which of the following diagrams represents the relationship among the given classes Green, Mango, and Fruits?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Based on the general information, all mangoes are fruits and some fruits and mangoes can be green. So, the circle of mango lies inside that of fruits. Also, some mangoes and fruits are green in colour. So, they will have some areas in common. The Venn
Question : What happens when a drop of glycerol is added to crushed potassium permanganate (KMnO).spread on a paper?
Option 1: There is a crackling sound
Option 2: There is a violent explosion
Option 3: There is no reaction
Option 4: The paper ignites
Correct Answer: There is a violent explosion
Solution : The correct option is - There is a violent explosion
A strong combustion reaction happens when glycerol or glycerin is combined with solid potassium permanganate (KMnO₄). When in contact with glycerol, potassium permanganate, an extremely strong oxidant, instantly explodes. The rate
Question : Directions: The bar graph provided below gives the data on the production of paper (in lakh tonnes) by three different companies X, Y and Z over the years. Study the bar chart and answer the following questions.
The percentage increase in the production of company Y from 1996 to 1999 is:
Option 1: 60%
Option 2: 50%
Option 3: 55%
Option 4: 40%
Correct Answer: 60%
Solution : Production of company Y in 1996 = 25 (in lakh tonnes) Production of company Y in 1999 = 40 (in lakh tonnes) Increment in production = 40–25 = 15 (in lakh tonnes) Percentage increased = $\frac{\text{Increment in production}}{\text{Previous production}}$ × 100 = $\frac{15}{25}$ × 100
Question : Fill in the blank with the most appropriate option.
She is______, always submits her assignments on time.
Option 1: late
Option 2: punctual
Option 3: scheduled
Option 4: tardy
Correct Answer: punctual
Solution : The correct option will be the second option.
The word "punctual" means being on time or prompt, which fits well in the context of the sentence. It describes the person's habit of consistently submitting assignments on time.
Therefore, the correct answer will be
Question : What is the chemical name of table salt?
Option 1: Potassium bromide
Option 2: Potassium chloride
Option 3: Sodium chloride
Option 4: Sodium bromide
Correct Answer: Sodium chloride
Solution : The correct answer is Sodium chloride.
Table salt is the popular name for sodium chloride. Its chemical formula is NaCl, and the ratio of sodium to chloride is 1:1. It is a crystalline solid that is typically made of seawater. Table salt is neutral
Question : Sodium Calcium Silicate is called________.
Option 1: hard glass
Option 2: borosilicate glass
Option 3: soft glass
Option 4: jena glass
Correct Answer: soft glass
Solution : The correct option is soft glass.
Soft glass refers to soda-lime glass and is the most common type. It is used in daily objects such as windows, bottles, and glasses. The chemical formula of soda-lime glass is Na2O.CaO.6SiO2. It is
Question : Directions: Select the set in which the numbers are related in the same way as the numbers of the given set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (9, 26, 53) (8, 23, 47)
Option 1: (5, 14, 29)
Option 2: (6, 17, 36)
Option 3: (11, 32, 56)
Option 4: (7, 20, 42)
Correct Answer: (5, 14, 29)
Solution : Given: (9, 26, 53); (8, 23, 47)
In the given sets, subtract the second number from the third number and divide the resultant by 3 to get the first number. (9, 26, 53)→53 – 26 = 27; 27 ÷ 3 = 9 (8,
Question : Select the appropriate antonym for the underlined word. The room beneath the collapsed building was empty.
Option 1: finished
Option 2: mended
Option 3: cracked
Option 4: choked
Correct Answer: mended
Solution : The second option is the correct choice.
The word collapsed implies a sudden failure or breakdown, suggesting that the room beneath the building has suffered structural failure. On the other hand, mended means repaired or restored, serving as an antonym, as it suggests a state
Question : Harshavardhan's Vallabhi conquest is found in which of the following inscriptions?
Option 1: Aihole pillar inscription
Option 2: Junagadh inscription
Option 3: Navsari copper plate inscription
Option 4: Damodarpur copper plate inscription
Correct Answer: Navsari copper plate inscription
Solution : The correct option is the Navsari copper plate inscription.
The Navsari copper plate inscription at Nausasi(Navsari) shows Harshavardhan conquering the kingdom of Vallabhi. He also defeated the king of Vallabhi, Dhruvasena II, according to the Navsari copper plate inscription. Harsha, however,
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