Aptitude Test Series


Q.  Sum of products of three numbers taken two at a time is 131. Sum of squares of the three numbers is 138. What is the sum of the three numbers?

a. 25
b. 30
c. 20
d. 22


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Ratio of areas of incircle and circumcircle of an equilateral triangle is?
Category: Placement Tests,   Published by: teswesm
MCQs:  What is the minimum number of years upon which SI on Rs 2600 at 6.67% interest rate will be in whole number?
Category: Placement Tests,   Published by: teswesm
MCQs:  In a race, A beats B by 15 metres and C by 29 metres. If B and C run over the course together, B wins by 15 metres. What is the length of the course?
Category: Placement Tests,   Published by: teswesm
MCQs:  LCM of two numbers is 495. HCF of these numbers is 5. If the sum of the numbers is 100, find out the difference between the two numbers.
Category: Placement Tests,   Published by: teswesm
MCQs:  A man invests 1/3rd of his income at 7%, 1/4th at 8% and the remainder of his income at 10%. If the annual profit is Rs 561. What was the initial capital?
Category: Placement Tests,   Published by: teswesm
MCQs:  What is the angle between the hour and minute hand at 3:40?
Category: Placement Tests,   Published by: teswesm
MCQs:  A jar is filled of liquid which is 3 parts water and 5 parts alcohol. How much of this mixture should be drawn out and replaced such that this mixture may contain half water and half alcohol?
Category: Placement Tests,   Published by: teswesm
MCQs:  Two trains each of which is 100 m long moving in opposite direction to one another cross each other taking 8 seconds. If speed of one train is twice the speed of other train find the speed of the faster train.
Category: Placement Tests,   Published by: teswesm
MCQs:  Think of a number, divide it by 4 and add 9 to it. The result is 15. What is the number thought of?
Category: Placement Tests,   Published by: teswesm
MCQs:  Total age of A and B is 12 years more than the total age of B and C. By how many years is C younger than A?
Category: Placement Tests,   Published by: teswesm
MCQs:  If x + 5y = 16 and x= -3y, then y =
Category: Placement Tests,   Published by: teswesm
MCQs:  A, B and C distribute Rs. 1,000 among them. A and C have Rs. 400, B and C Rs. 700. How much does C have?
Category: Placement Tests,   Published by: teswesm
MCQs:  a:b = 5:2. What is the value of (8a + 9b): (8a + 2b)?
Category: Placement Tests,   Published by: teswesm
MCQs:  A class consists of 15 girls and 10 boys. Three students are to be randomly selected. Find the probability that one boy and two girls are picked.
Category: Placement Tests,   Published by: teswesm
MCQs:  Determine the odd man out: 15, 16, 34, 105, 424, 2124
Category: Placement Tests,   Published by: teswesm
MCQs:  India has a run rate of 3.2 in the first 10 overs. What should be the run rate in remaining 40 overs to win a game of 282 runs?
Category: Placement Tests,   Published by: teswesm
MCQs:  A man cycles at a rate of 4 kmph. He cycles for 45 minutes and then takes a 15 minute break. Determine the total time taken to cover 12 kms by him.
Category: Placement Tests,   Published by: teswesm
MCQs:  Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, how long will it take to fill the tank?
Category: Placement Tests,   Published by: teswesm
MCQs:  Radius of a circle is increased by 6%, determine the increase in area of the circle.
Category: Placement Tests,   Published by: teswesm
MCQs:  FIND THE ODD NUMBER: 1,5,11,17,23,29
Category: Placement Tests,   Published by: teswesm