Quantitative Aptitude - Arithmetic Ability Questions

Raghunandan sells a machine for Rs 45 lakhs at a loss. Had he sold it for Rs 55 lakh, his gain would have been 9 times the former loss. Find the cost price of the machine.

What is the area (in sq cm) of a rectangle of perimeter 90 cm and breadth 20 cm?

What is the unit place digit in the expansion of  773?

What would be the smaller of the two angles formed by the hour hand and the minute hand at 4:52 p.m?

Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?

Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

If x+1x=-2,then the value of x7+1x7

ΔABC a right angled triangle has ∠B = 90° and AC is hypotenuse. D is its circumcentre and AB = 3 cms, BC = 4 cms. The value of BD is