
Present Age Calculation
Three years ago, the average age of A, B and C was 27 years and that of B and C, 5 years ago was 20 years. A's present age is?

A car is filled with four and half gallons of oil for full round trip. Fuel is taken 1/4 gallon more in going than coming. What is the fuel consumed in coming up?
Before the trip, car is filled with = 4 ½ gallon of oil.Let ‘X’ be the quantity of fuel consumed for the trip in one direction The fuel consumed while going = X + ¼ The fuel consumed while coming = XTherefore, the fuel consumed for the trip = (X + ¼) + X = 4 ½ 2X + ¼ = 4 ½ => 2X = 4 ½  ¼ => 2X = 4 ¼ => X= 2 1/8 . approxTherefore the fuel consumed while coming = 2.125 gallon









A salesperson multiplied a number and got the answer 3, instead of that number divided by 3.What is the answer he actually has to get?
(1/3) *1 * 3 = 3, so number = 1Divided by 3 Answer: 1/3.

Find Maximum Marks
. A candidate appearing for an examination has to secure 40% marks to pass paper I. But he secured only 40 marks and failed by 20 marks. What is the maximum mark for paper I?



A person was fined for exceeding the speed limit by 10mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was traveling at a speed of 35 mph, find the speed limit.
Let ‘x’ be the speed limit. Person ‘A’ was fined for exceeding the speed limit by = 10mphPerson ‘B’ was fined for exceeding the speed limit by = twice of ‘A’ => 2*10mph=20mphgiven that the second person was traveling at the speed of 35mph => 35mph – 20mph = 15mphTherefore the speed limit is =15 mph


Dart Problem
A circular dart board of radius 1 foot is at a distance of 20 feet from you. You throw a dart at it and it hits the dartboard at some point X in the circle. What is the probability that X is closer to the center of the circle than the periphery?

Mixtures Aptitude Question
There are two glasess of orrange and lemon first we take out of 2tbps from orange and put into lemon and now take out of 2tbps from lemon and added in orrange which glass quantity is morea

Circular Handshake
36 people {a1, a2, ..., a36} meet and shake hands in a circular fashion. In other words, there are totally 36 handshakes involving the pairs, {a1, a2}, {a2, a3}, ..., {a35, a36}, {a36, a1}. Find the size of the smallest set of people such that the rest have shaken hands with at least one person in the set.

Quantitative Aptitude Questions
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