Recent questions and answers in Quantitative Aptitude

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Dick is thrice as old as Tom and Harry is twice as old as Dick. If Dick’s age is $1$ year less than the average age of all three, then Harry’s age, in years, is
The natural numbers are divided into groups as $(1), (2,3,4), (5,6,7,8,9), \dots$ and so on. Then, the sum of the numbers in the $15 \text{th}$ group is equal to $6090$$... 1 answer 3 If a and b are integers of opposite signs such that \left ( a+3 \right )^{2}:b^{2}= 9:1 and \left ( a-1 \right )^2 : \left ( b-1 \right )^2= 4:1 , then the ratio ... 1 answer 4 John bought five toffees and ten chocolates together for forty rupees. Subsequently, he returned one toffee and got two chocolates in exchange. The price of an chocolate ... 2 answers 5 Fourth term of an arithmetic progression is 8. What is the sum of the first 7 terms of the arithmetic progression?7$$64$$56Cannot be determined 1 answer 6 A 15 \; \text{km} long road can be made by 20 men in 18 days. What is the length of the road that can be made by 15 men in 12 days ?6 \; \text{km}$$6.5 \; \tex... 1 answer 7 If the ratio of speed of doing work of three persons is$2:3:7,$what is the ratio of time taken by these people to do the same amount of work ?$2 : 14 : 21$$21 : 14 : 6... 1 answer 8 There are two containers of the same volume, first container half-filled with sugar syrup and the second container half-filled with milk. Half the content of the first co... 1 answer 9 The shortest distance of the point \left ( \frac{1}{2}, 1 \right ) from the curve y=\mid x-1 \mid+\mid x+1 \mid is 1$$0$$\sqrt{2}$$\sqrt{\dfrac{3}{2}}$3 answers 10 A vessel has a milk solution in which milk and water are in the ratio$4:1$. By addition of water to it, milk solution with milk and water in the ratio$4:3$was formed. ... 1 answer 11$\begin{array}{|c|c|c|c|c|c|c|c|} \hline x & 1 & 2 & 3 & 4 & 5 & 6 \\\hline y & 4 & 8 & 14 & 22 & 32 & 44 \\\hline \end{array}$In the above table, for suitably chosen con... 2 answers 12 Suppose you have a currency, named Rubble, in three denominations:$1$Rubble,$10$Rubbles and$50$Rubbles. In how many ways can you pay a bill of$95$Rubbles?$151...
By selling $33$ meters of cloth, one gains the selling price of $11$ meters. Find the gain percent :$20 \%$$40 \%$$50 \%$$22 \% 2 answers 14 number of minutes from 4 o clock to now is 5 times the number of minutes from now to 8 o clock.find present time.1)6:202)6:403)7:204)7:30 1 answer 15 Working alone, the times taken by Anu, Tanu and Manu to complete any job are in the ratio 5: 8: 10. They accept a job which they can finish in 4 days if they all work... 1 answer 16 A container has 20 L of milk. 4 L of milk is replaced with an equal quantity of water. What was will be the final quantity of milk in the container if the process is repe... 3 answers 17 Find the next term in the sequence: 13M , 17Q, 19S,________(A)21W (B)21V (C)23W (D)23V 2 answers 18 One red flag, three white flags and two blue flags are arranged in a line such that,no two adjacent flags are of the same colour.the flags at the two ends of the line are... 2 answers 19 \text{A, B, C} are three numbers. Let @ \text{(A, B)} = average of \text{A} and \text{B}, / \text{(A, B)} = product of \text{A} and \text{B}, and \text{X... 3 answers 20 In a camp, there are meals for 120 men or 200 children. If 150 children have taken their meals, how many men will be catered to with the remaining meal ?50$$40$$30... 4 answers 21 A tradesman marks his goods at such a price that after allowing a discount of 15\%, he earns a profile of 20\%. Find the marked price of an article which costs him �... 2 answers 22 Let \text{P, Q, S, R, T, U} and \text{V} represent the seven distinct digits from 0 to 6, not necessarily in that order. If \text{PQ} and \text{RS} are both t... 1 answer 23 A train is 250 m long and it runs at a speed of 50km/hr . Then in how much time the train will pass the Power/Electic Pole . 1 answer 24 A person closes his account in an investment scheme by withdrawing \text{Rs.}\; 10,000. One year ago he had withdrawn \text{Rs.}\; 6000. Two years ago he had withdraw... 1 answer 25 If a, b, c and d are four positive real numbers such that abcd = 1, what is the minimum value of (1 + a)(1 + b)(1 + c)(1 + d)?$$4$$1$$16$$18 1 answer 26 A television company manufactures two models of televisions-A and B. Each unit of model A requires four hours to manufacture and each unit of model B requires two hours t... 1 answer 27 There are six persons sitting around a round table. Pankaj is sitting left of Dayanand who is facing Kundan. Ranjan is sitting right to Dayanand. Yash is sitting left of ... 0 answers 28 1 answer 29 Some part of a sugar solution which contains 40% sugar is replaced with another sugar solution which contains 19% sugar. Part of sugar in the new mixture became 26% what ... 2 answers 30 How many one rupee coins, 50 paise coins and 25 paise coins of which the numbers are proportional to 4, 5 and 6 are together worth ₹32?16, 20, 24$$12, 16, 2... 2 answers 31 The table given here shows production of five types of cars by a company in the year$2010$to$2015$. Study the table and answer the question.$\textbf{Production of Car...
The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a magazine. Study the pie-chart and answer the question based on it.$\... 1 answer 33 The average score of boys in an examination of a school is$71$and that of girls is$73.$The average score of the school in that examination is$71.8$. Find the ratio o... 1 answer 34 A number is greater than the square of$44$but smaller than the square of$45.$If one factor of the number is the square of$6$and the number is multiple of$5,$the n... 1 answer 35 Out of three given numbers, the first one is twice the second and three times the third. If the average of these numbers is$88,$then the difference between the second a... 1 answer 36 The ratio between the ages of Ajay and Vijay at present is$2: 3.$Ajay is$6$years younger than Vijay. The ratio of Ajay's age to Vijay's age after$6$years will be :$...
The average age of a teacher and $25$ students is $17$ years. If the teacher’s age is excluded, the average reduces by $2$ years. The age of the teacher is :$63$ years$... 2 answers 38 A grocer has a sale of$Rs.6435,Rs.6927,Rs.6855,Rs.7230$and$Rs.6562$for$5$consecutive months. How much sale must he have in the sixth month so that he gets an averag... 2 answers 39 A survey is conducted among$275$families.$100$families among them use air condition (A.C.)$70$families use only coolers,$60$families use only AC and$80$families... 1 answer 40 A positive number when decreased by$4$is equal to$21$times the reciprocal of the number. The number(s) is/are :$3$$7$$3$and$-7-3$and$7\$