1. When a number is divisible by 3 then the sum of all its digits is also divisible by 3. Find a number divisible by 3 from the options. This was the Question given ......
2. A triangle PQR was given in which lengths of two sides were given as QR = 12 , PR = 13 and the perimeter of the triangle was 32. Col A: Measure of angle of Q Col B: 90
3. In a company, they decided to give a code to each.... and every employee need to have it. The code would be having first four alphabets from a to z but it should not be a , e , i , o , u &. p and last three digits can be any from 0 to 9. If the numbers can be repeated then the total number of codes that can be generated from these digits is?
4. x and y both are on the same side of 0 in number line. Col A: x y Col B: |x y|
5. Given a square with a circle inscribed in it and the radius of the circle is r . Another circle is given with a square inscribed in it and the radius of this circle is also r . What is the ratio of area of smaller circle to area of larger circle?
6. Given a figure with a.... 12 sided polygon drawn inside the circle. Find the each interior angle?
7. Col a: /-2x 1/ Col b: /-2x/ 1/
ORKUT QUANT DATABASE (Till Jan21st)
1. Given a traingle of two equal sides and the angle between them is 60 degress. If a semicircle whose arc length is 50pi is drawn on the side opposite to 60 degree. Find the perimeter of triangle?
2. Given a tank with g gallons of liquid which is present at 1 clock. If a pipe of X litres/min was inserted into the tank and another pipe of Y litres/min was inserted as an outlet pipe at the same time, then at what time the tank was (g/2)gallons?
3. Given |x| = |y| &. xy<.0 Col a : x y Col b : 0 Ans: C
4. A plane was flying from city M to P whose distance was 500 miles. While travelling from M to P it travelled at a speed of 500miles/hr and during the return trip it travelled at a speed of 400 miles/hr. Col A :The average speed of the trip is 444 miles/hour Col B : 450miles/hour
5. If (101, 202) , (-1,Something number) and (x,3) are three points on a line then find the value of x?
6. Two cyclists are moving towards each other at 10 miles/hour. They are now 50 miles apart. At this instance a fly starts from one cyclist and move towards other and moves to and fro till the two cyclist meet each other. If the fly is moving at 15 miles/hour, what is the total distance covered by the fly? Ans: 37.5 miles
7. If a number is divisible by 5 the remainder is 3 and when the same number is divided by 7 the remainder is 4. What is the least possible number? Ans:18
8. |x-7|<.2 and y<.0 Col A: xy Col B: 9
ORKUT QUANT DATABASE (Till Jan18th)
1. Compare the standard deviation of the following numbers. Col A: 9,9,10,11,11 Col B: 6, 8,10,12,14 Ans: B 标准偏差公式：S = Sqr(∑(xn-x拨)^2 /(n-1))
公式中∑代表总和，x拨代表x的算术平均值，^2代表二次方，Sqr代表平方根。
2. There are six special characters like ^, &., *, $, @, %. How many different patterns can be formed using all six characters. Given that repeation is not allowed. Ans: 720
3. In a class of 20 students, one half of the students are boys, if a teacher has to 0select 7 students and the first 6 are girls Col a: What is the probability that the 7th student is a girl Col b:2/7 Ans: C
4. 0.3187/15.92 Ans: 0.02
5. A triangle was given whose perimeter was 32 and two of its sides were given as 12 &. 13. (Question was given like this..... they had shown a right angled triangle in figure but did not marked angle as right angled it was marked as X. Side opposite to it was marked as 13 and one of the adjacent sides was given as 12. Col A : X Col B : 90
6. If a number is divisible by 5 the remainder is 3 and when the same number is divided by 7 the remainder is 4. What is the least possible number? Ans:18
7. A rope of length x is cut into two halves. One of the length exceeds the other by 5 Col a: length of the shorter one Col b: x-5