Quantitative Aptitude - Arithmetic Ability Questions

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

What is the equation of a line having a slope -1/3 and y-intercept equal to 6?

The least number of square tiles of side 41 cms required to pave the ceiling of a room of size 15m 17cm long and 9m 2 cm broad is:

A invested an amount of x rupees in a bank for 2 years which gave 5% interest in year 1 and 6% interest in year 2. The amount received after 2 years is Rs 24,486. What is the value of x?

Suresh goes on a trip on his motor-cycle and rides for 410 kms. If he rides for 5 hours at a speed of 50 km/hr, find at what speed he travels for the remaining 4 hours of the journey?

What is the value of Sin 30° - Cosec 45°?

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.