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Question : Parts of the following sentence have been given as options. One of them may contain an error. Select the option that contains the error. If you don't find any error, mark 'No Error' as your answer.
Nobody from the gathering of old people could guess the accident occurring blast.
Option 1: the accident occurring blast
Option 2: nobody from the gathering
Option 3: No Error
Option 4: of odd people could guess
Correct Answer: the accident occurring blast
Solution : The first option is correct.
Explanation:
"The accident occurring blast" - This phrase is grammatically incorrect and awkward. It does not clearly convey the intended meaning. It should be replaced with the accident occurring due to the blast.
Question : In $\triangle$ABC, D and E are two points on the sides AB and AC, respectively, so that DE $\parallel$ BC and $\frac{AD}{BD}=\frac{2}{3}$. Then $\frac{\text{Area of trapezium DECB}}{\text{Area of $\triangle$ABC}}$ is equal to:
Option 1: $\frac{5}{9}$
Option 2: $\frac{21}{25}$
Option 3: $1\frac{4}{5}$
Option 4: $5\frac{1}{4}$
Correct Answer: $\frac{21}{25}$
Solution : Given: $\frac{AD}{BD}=\frac{2}{3}$ and DE $\parallel$ BC So, $\triangle$ABC and $\triangle$ADE are similar. ⇒ $\frac{\text{Area of $\triangle$ABC}}{\text{Area of $\triangle$ADE}}=\frac{(AB)^2}{(AD)^2}$ ⇒ $\frac{\text{Area of $\triangle$ABC}}{\text{Area of $\triangle$ADE}}=\frac{(2+3)^2}{(2)^2}=\frac{25}{4}$ Let the area of $\triangle$ABC and $\triangle$ADE be 25k and 4k, respectively. So, the area of trapezium DECB = (Area of
Question : Directions: A bus driver wants to travel a distance of 200 km. He travels at a speed of 40 km/h. He takes rest at 3 different hotels for 15 minutes, 30 minutes and 15 minutes respectively. He starts his journey at 9:00 a.m. At what time does he reach his final destination?
Option 1: 3:00 a.m.
Option 2: 3:00 p.m.
Option 3: 3:30 a.m.
Option 4: 2:30 p.m.
Correct Answer: 3:00 p.m.
Solution : Given: Distance = 200 km Speed = 40 km/h Time = Distance ÷ Speed = 200 ÷ 40 = 5 hours Total time of rest = (15 + 30 + 15) mins = 60 mins Now, convert minutes into hours = 60 ÷ 60
Question : Directions: In a certain code language, SOMEONE is written as 1645655 and BRINJAL is written as 2995113. How will NOVEMBER be written in that language?
Option 1: 56454259
Option 2: 45253258
Option 3: 56254251
Option 4: 56455259
Correct Answer: 56454259
Solution : Given: SOMEONE is written as 1645655, and BRINJAL is written as 2995113.
Determine the sum of the digits of the place value of each letter of SOMEONE, to obtain the required code – S→19 ⇒ 1 + 9 = 10 ⇒ 1 + 0 =
Question : E is the midpoint of the median AD of $\triangle ABC. BE$ is joined and produced to meet AC at F. F divides AC in ratio:
Option 1: 2 : 3
Option 2: 2 : 1
Option 3: 1 : 3
Option 4: 3 : 2
Correct Answer: 2 : 1
Solution : AD is the median. E is the midpoint of AD. DG || BF In $\triangle$BCF, D is the midpoint of BC and DG || BF. $\therefore$ G is the midpoint of CF. $\therefore$ FG = GC In $\triangle$ADG, EF || DG and E
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Generally, dolphins sleep (1)____ only one brain hemisphere in slow-wave sleep at a time, thus (2)_____ enough consciousness to breathe and to watch for possible (3)____ and other threats. Early (4)____ stages can occur simultaneously in both hemispheres. In captivity, dolphins seemingly enter a fully asleep state where both eyes are closed and there is no response to mild external (5)_____.
Question:
Select the most appropriate option to fill in the blank no.3.
Option 1: predators
Option 2: preys
Option 3: carnivorous
Option 4: orators
Correct Answer: predators
Solution : The correct choice is the first option.
Predators are animals who catch and kill for food.
Therefore, the complete sentence is: "thus maintaining enough consciousness to breathe and to watch for possible predators and other threats."
Question : Which musical framework once present in 'Brihaddeshi' an ancient text got grouped into folk and classical music ?
Option 1: Vakra
Option 2: Swaras
Option 3: Ragas
Option 4: Thaats
Correct Answer: Ragas
Solution : The correct option is - Ragas.
A classical Sanskrit text about Indian classical music, known as Brihaddeshi, was written by Matang Muni. It is the first text to discuss ragas specifically and to distinguish between marga and desi music. Marga can be understood as Classical
Question : Find the value of $\frac{\sin ^2 39^{\circ}+\sin ^2\left(90^{\circ}–39^{\circ}\right)}{\cos ^2 35^{\circ}+\cos ^2\left(90^{\circ}–35^{\circ}\right)}+3 \tan 25^{\circ} \tan 75^{\circ}$:
Option 1: 2
Option 2: 4
Option 3: 3
Option 4: 1
Correct Answer: 4
Solution : $\frac{\sin ^2 39^{\circ}+\sin ^2\left(90^{\circ}–39^{\circ}\right)}{\cos ^2 35^{\circ}+\cos ^2\left(90^{\circ}–35^{\circ}\right)}+3 \tan 25^{\circ} \tan 75^{\circ}$ $=\frac{\sin ^2 39^{\circ}+\cos ^239^{\circ}}{\cos ^2 35^{\circ}+\sin ^235^{\circ}}+3 \tan 25^{\circ} \times\tan(90^{\circ}– 25^{\circ})$ $=1+3 \tan 25^{\circ} \times\cot25^{\circ}$ $=1+3$ $=4$ Hence, the correct answer is 4.
Question : When did the Mongol ruler Genghis Khan die?
Option 1: 1219
Option 2: 1210
Option 3: 1235
Option 4: 1227
Correct Answer: 1227
Solution : The correct answer is 1227.
Genghis Khan, the Mongol leader who built an empire from eastern China to the Aral Sea, died in August 1227 during a campaign against the Chinese kingdom of Xi Xia. Born as Temujin in 1162, he became Genghis Khan in
Question : How many anions surround a sodium ion in a crystal lattice of sodium chloride?
Option 1: Six
Option 2: Eight
Option 3: Seven
Option 4: Nine
Correct Answer: Six
Solution : The correct option is 6.
Every sodium (Na) ion in a sodium chloride (NaCl) crystal lattice has six surrounding chloride (Cl) ions, and every chloride ion has six surrounding sodium ions. This arrangement is a result of the ionic bonding between sodium and chloride
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