Quantitative Aptitude - Arithmetic Ability Questions

If angles M and N measure 60 deg and 30 deg respectively, (sinM) x (cotN) = ?

If the lengths of the two parallel sides of a trapezium are 5 cm and 7 cm and the distance between these parallel sides is 4 cm. Find its area (in cm2).

10 dozen apples, 15 dozen mangoes & 20 dozen oranges are kept for sale. 1/2, 1/3rd & 1/4th of each item respectively have been added. What is the total number of fruits kept for sale now?

The value of (0.00000729/0.00000027) is

Three numbers are given in which the second is triple the first and is also double the third. If the average of the three numbers is 66. Find the first number.

The smallest number by which 1875 must be divided to obtain a perfect square is

Consider the following figure shown below and choose which of the following equation is correct about the similarity of both triangles?

From the top of a platform, the angle of elevation of a tower was 30 deg. The tower was 45 mts high and the horizontal distance between the platform and the tower was 40√3 m. What was the height of the platform?