Quantitative Aptitude - Arithmetic Ability Questions

A man can row his boat at a speed of speed of 4 kmph and he finds that the time taken rowing upstream is double to that taken downstream. Find the speed of the stream (in kmph).

A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?

If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?

Solve : 8,23,199.98 × 99.92 = ? × 80,000

If 1 + secA = x, then the value of x is

A Rs 100 shirt is offered at 10% discount and a Rs 300 pair of trousers at 20% discount. If Pritam bought 1 shirt and 3 pairs of trousers, what is the effective discount (in %) he got?

If ab-1b=cb-1c=ac-1a, then ac+ba+cb

In a mixture, ink and water are in the ratio of 8 : 5. If 24 litres of water is added to the mixture, then the new ratio becomes 8 : 11. What is the total quantity (in litres) of water in the new mixture?