Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

If θ is acute angle and tan θ – cot θ = 0, then what is the value of tan26θ + cot100θ?

If 35% of A is equal to 60% of B, then what is the ratio of A and B?

A book is sold at three successive discounts of 20%, 20% and 10%. What is the net discount (in percentage)?

If a - b = 2 and ab = 15, then what is the value of a3- b3?

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.

U and V started a business by investing amounts Rs 184000 and Rs 224000 respectively. If U’s share in the profit received at the end of year is Rs 20700, then what will be the total profit (in Rs) earned by them together?

The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is