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Question : The price of a commodity is decreased by 25 percent and therefore a household increases the consumption of that commodity by 20 kg to keep the expenditure same. What was the earlier consumption?
Option 1: 60 kg
Option 2: 55 kg
Option 3: 75 kg
Option 4: 45 kg
Correct Answer: 60 kg
Solution : Original price = Rs. 100 per kg Original consumption = $x$ kg After a decrease of 25%, New price = Rs. 75 per kg New consumption = $x$ + 20 kg Original expenditure = 100$x$ New expenditure = $75\times(x + 20) = 75x +
Question : Select the INCORRECTLY spelt word
Option 1: Merriment
Option 2: Yearn
Option 3: Zenith
Option 4: Miniture
Correct Answer: Miniture
Solution : The correct choice is the fourth option.
The incorrectly spelt word is "miniture". The correct spelling is miniature, which refers to something that is smaller in scale or size than normal. It can be a small version or representation of something larger. It can
Question : Roma spends 25% of her income on food, 15% on children's books and 75% of the remaining income on uniforms. What is the percentage of income she is left with?
Option 1: 35%
Option 2: 20%
Option 3: 15%
Option 4: 19%
Correct Answer: 15%
Solution : Let the income be 100. Spent on food = 25% Spent on children book = 15% Remaining salary = 100 – 25 – 15 = 60% 75% of the remaining on uniform = $\frac{75}{100}\times60=45$ $\therefore$ She left with 60 – 45 = 15% Hence, the
Question : If $a+b-c=20$ and $a^2+b^2+c^2=152$, find the value of $a^3+b^3-c^3+3abc$.
Option 1: 480
Option 2: 720
Option 3: 640
Option 4: 560
Correct Answer: 560
Solution : Given: $a+b-c=20$ and $a^2+b^2+c^2=152$ $ a+b-c = 20$ Squaring both sides, we get, ⇒ $a^2 + b^2+c^2 + 2ab-2bc-2ca = 400$ ⇒ $2(ab-bc-ca) = 400-152$ ⇒ $ab-bc-ca = 124$ Now to find, $a^3+b^3-c^3+3abc$ $= (a+b-c)(a^2+b^2+c^2-(ab-bc-ca))$ $= 20\times (152-124)$ $= 20\times 28 = 560$ Hence, the
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error."
The children left (1) / the playground (2) / one after one. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third part of the sentence.
The phrase should be "one after another" in place of "one after one" to indicate that the children left the playground sequentially.
Therefore, the correct sentence is "The children left the playground one after another
Question : What type of plate boundaries occurs along spreading centres where plates are breaking apart and pushing upward from the mantle by magma to form a new crust?
Option 1: Uniform boundaries
Option 2: Transform boundaries
Option 3: Convergent boundaries
Option 4: Divergent boundaries
Correct Answer: Divergent boundaries
Solution : The correct option is Divergent boundaries.
Divergent boundaries refer to the plate boundaries that occur at spreading centres when tectonic plates break apart, forming new crusts. When plates diverge, they leave a gap that allows magma from the mantle to ascend to the surface
Question : A dishonest merchant sells goods at a 12.5% loss on the cost price but uses 28 g weight instead of 36 g. What is his percentage profit or loss?
Option 1: 6.25% loss
Option 2: 12.5% gain
Option 3: 18.75% gain
Option 4: 10.5% loss
Correct Answer: 12.5% gain
Solution : Let the cost price of 1 gm be Rs. 1. The cost price of 28 gm = Rs. 28 The cost price of 36 gm = Rs. 36 Selling price after 12.5% loss on 36 gm packet = $\frac{100-12.5}{100}\times 36$ = Rs. 31.5 Here
Question : Which of the following articles is related to the provision of Co-operative Societies in the Indian Constitution?
Option 1: 243 ZG to 243 ZJ
Option 2: 243 P to 243 ZG
Option 3: 243 ZH to 243 ZT
Option 4: 243 A to 243 O
Correct Answer: 243 ZH to 243 ZT
Solution : The correct answer is 243 ZH to 243 ZT.
The provisions related to cooperative societies in the Indian Constitution can be found in Articles 243 ZH to 243 ZT. These articles pertain to the establishment, organisation, and functioning of co-operative
Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operations(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair.
Option 1: 5 : 23
Option 2: 4 : 19
Option 3: 2 : 11
Option 4: 7 : 32
Correct Answer: 7 : 32
Solution : Let's check the options – First option: 5 : 23; 5 × 4 = 20; 20 + 3 = 23 Second option: 4 : 19; 4 × 4 = 16; 16 + 3 = 19 Third option: 2 : 11; 2 × 4
Question : Directions: In the following question, select the missing number of the given series. 100, 105, 92, 113, 84, ?
Option 1: 118
Option 2: 122
Option 3: 121
Option 4: 120
Correct Answer: 121
Solution : Given: 100, 105, 92, 113, 84, ?
In the above-given series, add and subtract alternately, the natural numbers with the difference of 8 to the numbers. 100 + 5 = 105; 105 – (5 + 8) = 105 – 13 = 92; 92 + (13
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