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Question : A and B can do a piece of work in 15 days. B and C can do the same work in 10 days and A and C can do the same in 12 days. The time taken by A, B and C together to do the job is:
Option 1: 4 days
Option 2: 9 days
Option 3: 8 days
Option 4: 5 days
Correct Answer: 8 days
Solution : Given: A and B can do a piece of work in 15 days. B and C can do the same work in 10 days also A and C can do the same in 12 days. (A + B) in 1 day can do $\frac{1}{15}$
Question : A shopkeeper allows a 20% discount on the marked price of an article and he suffers a loss of 12%. If the article is sold at marked price, then what will be the profit percentage?
Option 1: 10%
Option 2: 12.5%
Option 3: 9.69%
Option 4: 8.33%
Correct Answer: 10%
Solution : Given, Discount = 20% Loss = 12% We know, $\frac{\text{Marked price}}{\text{Cost Price}}=\frac{100\pm\text{Profit/Loss}}{100-\text{Discount}}$ ⇒ $\frac{MP}{CP}=\frac{100-12}{100-20}$ ⇒ $\frac{MP}{CP}=\frac{88}{80}$ ⇒ $\frac{MP}{CP}=\frac{11}{10}$ If there is no discount, means discount = 0%, then profit% ⇒ $\frac{MP}{CP}=\frac{100+\text{profit}}{100-\text{discount}}$ ⇒ $\frac{11}{10}=\frac{100+\text{profit}}{100}$ ⇒ $110=100+\ \text{profit}$ ⇒ Profit % = 10% Hence, the correct answer
Question : Two numbers are in the ratio 12 : 7. If their HCF is 25, find the numbers.
Option 1: 225 and 135
Option 2: 300 and 175
Option 3: 300 and 50
Option 4: 175 and 120
Correct Answer: 300 and 175
Solution : The numbers in the ratio 12 : 7 can be represented as $12x$ and $7x$, where $x$ is a common factor. Given that their Highest Common Factor (HCF) is 25, we can say that $x = 25$. Therefore, the two numbers are, First
Question : Directions: Select the option in which the pair of letter clusters share the same relationship as that shared by the given pair of letter clusters. ROCK : JDNS
Option 1: WART : SSZX
Option 2: PICK : LDHQ
Option 3: GOLA : YMPH
Option 4: DRUM : LVQC
Correct Answer: WART : SSZX
Solution : Given: ROCK : JDNS
Add and subtract 1 alternatively from the place value of the letters of ROCK and then reverse the order of the letters obtained to get the related letter cluster. R + 1 = S; O – 1 = N;
Question : The longest dam in india is
Option 1: Bhakra Dam
Option 2: Nagarjuna Sagar Dam
Option 3: Hirakud Dam
Option 4: Kosi Dam
Correct Answer: Hirakud Dam
Solution : The correct option is Hirakud Dam.
The Hirakud Dam is India's longest dam. It is situated along the Mahanadi River in the state of Odisha. The dam is the longest in India and measures roughly 4.8 kilometers in length. It was built between 1948
Question : The writer of the book "An Enquiry into the Nature and Causes of Wealth of Nations", is:
Option 1: David Ricardo
Option 2: Smt. Joan Robinson
Option 3: Adam Smith
Option 4: Robins
Correct Answer: Adam Smith
Solution : The correct answer is Adam Smith.
Adam Smith, a British economist, wrote a book titled "An Enquiry into the Nature and Causes of Wealth of Nations", which was first published in 1776.
Question : Directions: In the middle of a horse race, horse E was ahead of horse D. Horse C was ahead of horse A but behind horse B. Horse A was running ahead of horse E. After this point, the horse that was in fourth place moved ahead and ended up winning the race. If the positions of other horses remained the same, then which horse remained in the middle position at the end of the race?
Option 1: C
Option 2: E
Option 3: B
Option 4: A
Correct Answer: C
Solution : Given: (I) In the middle of a horse race, horse E was ahead of horse D. E > D (II) Horse C was ahead of Horse A but Horse B was lagging. B > C > A (III) Horse A was moving ahead of Horse
Question : If a train maintains an average speed of 42 km/hr, it arrives at its destination at the right time. If however, the average speed is 40 km/hr, it arrives 15 minutes late. Find the distance of the journey.
Option 1: 210 km
Option 2: 205 km
Option 3: 209 km
Option 4: 200 km
Correct Answer: 210 km
Solution : Let the time be $x$ hours when the train moves at a speed of 42 km/hr. So, time will be $(x+\frac{1}{4})$ hours when the train moves at a speed of 40 km/hr. (15 minutes = $\frac{1}{4}$ hour) Distance = Speed × Time $⇒42×x =
Question : Select the INCORRECTLY spelt word.
Option 1: Compact
Option 2: Compell
Option 3: Currently
Option 4: Savage
Correct Answer: Compell
Solution : The correct choice is the second option.
The incorrectly spelt word is compell. The correct spelling is compel. The wrong spelling contains an extra 'l'.
The meanings of the other words are:
Compact: This means something dense, closely packed together, or
Question : Direction: In this question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. P can be represented by 02,13, etc. and L can be represented by 56, 67, etc. Similarly, you have to identify the set for the word DEAR.
Option 1: 98, 42, 57, 33
Option 2: 76, 14, 85, 21
Option 3: 59, 31, 96, 42
Option 4: 65, 20, 79, 13
Correct Answer: 76, 14, 85, 21
Solution : Given – DEAR
Option first: 98, 42, 57, 33
DEAS
Option second: 76, 14, 85, 21
DEAR
The second set represents the word DEAR.
Option third: 59, 31, 96, 42
DEAE
Option fourth: 65, 20, 79, 13
DEAP
Hence, second option is
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