Recent activity by Lakshman Bhaiya

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What is the sum of '$n$' terms in the series: $\log m + \log \frac{m^2}{n} + \log \frac{m^3}{n^2} + \log \frac{m^4}{n^3} + \dots + \log \frac{m^n}{n^{n-1}}?$\log ... \frac{n}{2}}$\log \left[\frac{m^{(n+1)}}{n^{(n-1)}} \right]^{\frac{n}{2}}$
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A park is shaped like a rhombus and has area $96 \; \text{sq m}.$ If $40 \; \text{m}$ of fencing is needed to enclose the park, the cost, in $\text{INR},$ of ... its two diagonals, at the rate of $ \text{₹} \; 125 \; \text{per m},$ is
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Onion is sold for $5$ consecutive months at the rate of $\text{Rs}\; 10, 20, 25, 25,$ and $50 \; \text{per kg},$ respectively. A family spends a fixed amount ... ,$ for the family over these $5 \; \text{months}$ is closest to$18$16$26$20$
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In a number system the product of $44$ and $11$ is $1034.$ The number $3111$ of this system, when converted to the decimal number system, becomes$406$1086$213$691$
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When you reverse the digits of the number $13$, the number increases by $18$. How many other two digit numbers increase by $18$ when their digits reversed ___________
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Let $n$ be the number of different $5$ digit numbers, divisible by $4$ with the digits $1, 2, 3, 4, 5$ and $6,$ no digit being repeated in the numbers. What is the value of $n?$144$168$192$None of these
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If the population of a town is $p$ in the beginning of any year then it becomes $3+2p$ in the beginning of the next year. If the population in the beginning of $2019$ is $1000$, ... 997)2^{14}+3$(1003)^{15}+6$(1003)2^{15}-3$(997)^{15}-3$
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If $\div$ means $+$, $–$ means $\div$ , $\times$ means $–$ and $+$ means $\times$, then$\dfrac{\left ( 3\times 4 \right )-8\times 4}{4+8\times 2 +16 \div 1}=?$1$-1$2$0$
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$\text{A}$ alone can do a piece of work in $6$ days and $\text{B}$ alone in $8$ days. $\text{A}$ and $\text{B}$ undertook to do it for Rs. $3200.$ With the help ... How much is to be paid to $\text{C}?$Rs. $375$Rs. $400$Rs. $600$Rs. $800$
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The marked price of coat was $40\%$ less than the suggested retail price. Eesha purchased the coat for half of the marked price at the $15\text{th}$ anniversary sale. ... $20\%$70\%$30\%$
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$5^{4}-1$ is divisible by$13$ $31$ $5$ none of these
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A + B means A is the father of B.A B means A is the sister of BA \ ... X + L + Y + T(5) W % X + T Y L
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In a certain code $\text{‘BUILT’}$ is written as $\text{‘}5 \#32 @\text{’}$ and $\text{‘TRIBE’}$ is written as $\text{‘}@935©\text{’}.$ How is $\text{‘RULE’}$ written in that code?$9\#2©$92\#©$@\#2©$@2\#©$None of these
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Let $\text{A}$ and $\text{B}$ two solid spheres such that the surface area of $\text{B}$ is $300\%$ higher than the surface area of $\text{A}.$ ... $ The value of $k$ must be ________$85.5$92.5$90.5$87.5$
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Ten tickets numbered $1, 2, 3, \ldots 10.$ Six tickets are selected at random one at a time with replacement. The probability of the largest number appearing on the selected ticket being $7$ ... $(7^6 - 6^6)/10^6$(7^6+6^6)/10^6$6^6/10^6$
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$\text{A}$ can complete a piece of work in $4$ days. $\text{B}$ takes double the time taken by $\text{A, C}$ takes double that of $\text{B},$ and $\text{D}$ takes ... $\text{A, C}$\text{B, C}$\text{A, D}$
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Answer question based on following information :Six products $\text{U, V, W, X, Y}$ and $\text{Z}$ are to be placed in display windows of a shop. There are six display windows ... $ $\text{W}$\text{V}$\text{X}$\text{Y}$
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Answer question based on following information :Six products $\text{U, V, W, X, Y}$ and $\text{Z}$ are to be placed in display windows of a shop. There are six display windows ... $ $\text{V}$\text{U}$\text{W}$\text{X}$
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Answer question based on following information :Six products $\text{U, V, W, X, Y}$ and $\text{Z}$ are to be placed in display windows of a shop. There are six display ... $ must be placed in which window ?$2$1$4$5$
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three ... two anniversary cardsA wedding card, a birthday card and a graduation card
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three anniversary ... the second and third rows.Two anniversary cards in the third row.
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three anniversary cards ... is in the first row.Two birthday cards are in the second row.
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three ... can be placed together ?The secondThe thirdThe fourthThe third and the fourth
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three anniversary cards ... in the fourth row.There is a graduation card in the third row.
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Directions: Read the following information and choose the right alternate for the questions given afterwards.One wedding card, two graduation cards, three ... cardsA birthday and an anniversary cardA wedding card and a graduation card
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Find out the missing number :$\begin{array}{|c|c|c|}\hline 1 & 3 & 7 \\\hline 5 & 12 & 14 \\\hline 25 & ? & 28 \\\hline 125 & 192 & 56 \\\hline \end{array}$40485664
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Find out the missing number :$\begin{array}{|c|c|c|} \hline 2 & 3 & 5 \\\hline 9 & 17 & 33 \\\hline 65 & 129 & ? \\\hline \end{array}$$228$199$257$209$
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In each of these questions: two statements I and II are provided. These may have a cause and effect relationship or may have independent causes or be the effects ... causes.If both the Statement I and II are effects of some common cause.
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In each of these questions : two statements I and II are provided. These may have a cause and effect relationship or may have independent causes or be the ... causes.If both the Statement I and II are effects of some common cause.
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In each of these questions: a statement is followed by two Conclusions I and II. Consider the statement and the following conclusions. Decide which of the conclusions ... (I) nor (II) followsIf both Conclusions (I) and (II) follow
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In each of these questions: a statement is followed by two Conclusions I and II. Consider the statement and the following conclusions. Decide which of the conclusions ... (I) nor (II) followsIf both Conclusions (I) and (II) follow
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$\text{THEREFORE}$ is to $\text{TEEOERFRH}$ as $\text{HELICOPTER}$ is to ?$\text{HELICORETP}$\text{HLCPERTOIE}$\text{RETPOCILEH}$\text{RETPOCILHE}$
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Directions: In question some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter ...
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Directions: In question some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter ...
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Directions: In question some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter ...
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Directions: In question some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter ...
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Directions: In question some of the sentences have errors and some have none. Find out which part of a sentence has an error, and the appropriate letter ...
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Directions: In question part of the sentence is italicised. Four alternative meanings of the italicised part of the sentence are given below. Mark ... ireDone something that makes it impossible to go backOpened a dialogueThrown a challenge
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Directions: In question part of the sentence is italicised. Four alternative meanings of the italicised part of the sentence are given below. Mark as your ... I don't knowBoth of us knowGuessing is goodTwo guesses are better than one
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The operation was not a success by any means. Choose the most appropriate sentence from the options given below to express the sentence in plural.The operations was ... a success by any means.All operations were not a success by any means.