Quantitative Aptitude - Arithmetic Ability Questions

What is the reflection of the point (2, 3) in the line y = 4?

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

The length of a chord which is at a distance of 12 cm from the centre of a circle of radius 13 cm is

If x2 + ax + b, when divided by x + 3, leaves a remainder of -1 and x2 + bx + a, when divided by x - 3, leaves a remainder of 39, then a+ b = ?

For an article the profit is 170% of the cost price. If the cost price increases by 20% but the selling price remains same, then what is the new profit percentage?

Shivam is 10% less efficient than Vivek. If Vivek can make a helmet in 9 days, then in how many days Shivam can complete the same work?

Rakshanth is twice as good as tradesman as Verma and together they finish a piece of work in 19 days. In how many dayswill Verma alone finish the work?

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?