Quantitative Aptitude - Arithmetic Ability Questions

By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?

In the following question, select the odd number from the given alternatives.

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

To go a distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower's speed in still water?

If the selling price is Rs 728 after getting a discount of 9%, what was the marked price?

Point Q(-1,b) is the midpoint of segment EF. Co-ordinates of point E are (-4,a) and point F are (2,0). What is the value of a and b?

Bhanu takes a total of 6 hrs 50 min in walking a distance and running back to same place where she started. She could walk both ways in 8 hrs 30 min. The time taken by her to run both ways is :

A and B invest Rs. 3000 and Rs. 2400 respectively in a business. If after one year there is a loss of Rs. 720, how much loss will B bear? (Loss or Profit is in proportion to their investments)