Quantitative Aptitude - Arithmetic Ability Questions

A trader bought 10 kg of tea at Rs. 400 per kg. He sold half the quantity at 20% loss and remaining at 10% profit. What was his net profit or loss in percentage?

If 9x+2 = 240 + 9x, the value of (8x)x is

In the following question, select the odd letter group from the given alternatives.

An engineering student has to secure 25% marks to pass. He gets 47 and fails by 43 marks. What are the maximum marks of the examination?

In a triangle, the distance of the centroid from the three vertices is 4cm, 6cm and 8cm respectively. Then the length of the smallest median is:

A cone of radius 3.5 cm and height 27 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 2.1 cm. What will be the height of water in this vessel? (Take π = 22/7)

sec2Acosec2A is equal to

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