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Question : P, Q, and R, when working individually, can complete a job in, respectively, 36 days, 48 days, and 144 days. P, Q, and R start working together. P leaves the job 12 days before completion and Q leaves the job 8 days before completion. R works from the beginning till the end of the job. Determine the total number of days taken to complete the job.
Option 1: 24
Option 2: 27
Option 3: 30
Option 4: 25
Correct Answer: 27
Solution : Let the total work = LCM (36, 48, and 144) = 144 According to the question, Efficiency of P = $\frac{144}{36}$ = 4 Efficiency of Q = $\frac{144}{48}$ = 3 Efficiency of R = $\frac{144}{144}$ = 1 Additional work P could have done if not
Question : Direction: In the following question, a series is given with one or more alphabet missing. Choose the correct alternative from the given options.
JAZ, LEX, NIV, PMT, ?
Option 1: QUR
Option 2: RQR
Option 3: SUR
Option 4: RUS
Correct Answer: RQR
Solution : Given: JAZ, LEX, NIV, PMT, ?
First letter → JAZ, LEX, NIV, PMT, R J + 2 = L; L + 2 = N; N + 2 = P; P + 2 = R
Second letter → JAZ, L
Question : Which of the following persons was a slave-generals of Alauddin Khalji (1296-1316 AD)?
Option 1: Malik Kafur
Option 2: Ulugh Khan
Option 3: Jauna Khan
Option 4: Nasiruddin Shah
Correct Answer: Malik Kafur
Solution : The correct option is Malik Kafur.
Alauddin Khalji's notable slave-general was Malik Kafur. Malik Kafur, a Hindu named Manik, rose through the ranks to become one of Khalji's most trusted commanders. He played a crucial role in Alauddin's military campaigns, including the successful
Question : Bihu is a festival that is observed in :
Option 1: West Bengal .
Option 2: Maharashtra.
Option 3: Assam .
Option 4: Tamil Nadu .
Correct Answer: Assam .
Solution : The correct option is - Assam
In the northeastern Indian state of Assam, Bihu is one of the most important festivals. 'Rongali' or 'Bohag Bihu' is observed in April, 'Kongali' or 'Kati Bihu' is observed in October or November, and 'Bhogali' or 'Magh Bihu'
Question : The value of $\frac{2}{3} \div \frac{3}{10}$ of $\frac{4}{9}-\frac{4}{5} \times 1 \frac{1}{9} \div \frac{8}{15}+\frac{3}{4} \div \frac{1}{2}$ is:
Option 1: $\frac{29}{6}$
Option 2: $\frac{17}{9}$
Option 3: $\frac{14}{3}$
Option 4: $\frac{49}{12}$
Correct Answer: $\frac{29}{6}$
Solution : $\frac{2}{3} \div \frac{3}{10}$ of $\frac{4}{9}-\frac{4}{5} \times 1 \frac{1}{9} \div \frac{8}{15}+\frac{3}{4} \div \frac{1}{2}$ = $\frac{2}{3} \div \frac{4}{30}-\frac{4}{5} \times 1 \frac{1}{9} \div \frac{8}{15}+\frac{3}{4} \div \frac{1}{2}$ = $\frac{2}{3} \div \frac{4}{30}-\frac{4}{5} \times \frac{10}{9} \div \frac{8}{15}+\frac{3}{4} \div \frac{1}{2}$ = $5-\frac{4}{5} \times \frac{50}{24} +\frac{3}{2}$ = $5- \frac{10}{6} +\frac{3}{2}$ = $5- \frac{1}{6}$
Question : A child below the age of __________ years cannot be employed to work in any factory under Article 24 of the Constitution of India.
Option 1: 16
Option 2: 14
Option 3: 15
Option 4: 17
Correct Answer: 14
Solution : The correct option is 14.
A child below the age of 14 years cannot be employed to work in any factory under Article 24 of the Constitution of India. Article 24 prohibits the employment of children in factories, and it is aimed at preventing
Question : The present ages of Vishal and Shekhar are in the ratio of 14 : 17. Six years from now, their ages will be in the ratio of 17 : 20. What is Shekhar's present age?
Option 1: 51 years
Option 2: 34 years
Option 3: 36 years
Option 4: 17 years
Correct Answer: 34 years
Solution : Given: The present ages of Vishal and Shekhar are in the ratio of 14 : 17. Six years from now, their ages will be in the ratio of 17 : 20. Let the present ages of Vishal and Shekhar be $14x$ and $17x$ years
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 number.
By contrast, depression is a (1)_____ long-term downturn in economic activity in one or more (2)_____ A depression is a more (3)_____ downturn than a recession, which is seen by some economists as part of the modern business cycle. The latter refers to (4)_____ that occur around a long-term growth trend and typically involve shifts over time between (5)_____ of relatively rapid economic growth (an expansion or boom) and periods of relative stagnation or decline (a contraction or recession).
Question: Select the most appropriate option to fill in the blank number 1.
Option 1: curtained
Option 2: abstained
Option 3: stained
Option 4: sustained
Correct Answer: sustained
Solution : The fourth option is the correct answer.
Sustained is used here to convey the idea that the downturn in economic activity is not just temporary but has been maintained or continued over an extended period.
The meanings of the other options are as follows:
Question : Lachhu Maharaj was a noted Indian classical dancer and choreographer of ________.
Option 1: Kathak
Option 2: Odissi
Option 3: Chhau
Option 4: Kuchipudi
Correct Answer: Kathak
Solution : The correct answer is Kathak.
Pandit Baijnath Prasad, renowned as Pandit Lachhu Maharaj was a distinguished Indian classical dancer and Kathak choreographer. Hailing from a renowned family of Kathak artists in Lucknow, he also contributed as a film choreographer, notably in Hindi cinema classics
Question : When formaldehyde and potassium hydroxide are heated, we get
Option 1: Acetylene
Option 2: Methyl alcohol
Option 3: Methane
Option 4: Ethyl formate
Correct Answer: Methyl alcohol
Solution : The correct option is Methyl alcohol
When formaldehyde (CH2O) and potassium hydroxide (KOH) are heated together, they can undergo a reaction known as the Cannizzaro reaction. In the Cannizzaro reaction, formaldehyde is both oxidized to formic acid (HCOOH) and reduced to produce methanol (CH3OH).
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