Quantitative Aptitude - Arithmetic Ability Questions

Find the unit place digit in 192102 + 193103

In how many years will Rs 25,000 yield Rs 8,275 as compound interest at 10% per annum compounded annually?

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 = ?

From a point on a bridge across the river, the angles of depression of the banks on opposite sides of the river are 30° and 45° respectively. If the bridge is at a height of 2.5m from the banks, then the width of the river is (take √3 = 1.732)

The selling price of an item inclusive of a 16% profit was Rs. 435. What would be the percentage loss if the item was sold for Rs. 330?

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?

What is the area (in sq cm) of a rhombus if the lengths of the diagonals are 12 cm and 14 cm?

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is