Quantitative Aptitude - Arithmetic Ability Questions

A bus moves at a speed of 84 km/hr after repairing and moves at a speed of 56 km/hr before repairing. It covers 2x distance in 8 hours after repairing.How much time (in hours) will it take to cover x distance before repairing?

The average cost of 5 items in a shopping list is Rs 650. If one more item whose cost is Rs 1400 is added to the list what will be the new average (in Rs)?

Select the odd letters from the given alternatives.

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

199994 x 200006 = ?

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

ΔXYZ is similar to ΔPQR. If ratio of perimeters of ΔXYZ : ΔPQR is 3:2 and if PQ = 6 cm then what is the length of XY (in cm)?

If 2x + 3y = 0 and 3x ­- 4y = 34, then x ­- y = ______