Quantitative Aptitude - Arithmetic Ability Questions

In what ratio should tea costing Rs 300/kg be mixed with tea costing Rs 200/kg so that the cost of the mixture is Rs 225/kg?

In these questions, a question is given followed by information in three statements. You have to consider the information in all the three statements and decide the information in which of the statement(s) is not necessarily required to answer the question and therefore can be dispensed with. Indicate your answer accordingly How many students from institute 'A' got placement?

I. Number of students studying in institutes A and B are in the ratio of 3:4 respectively.

II. Number of students who got placement from institute B is 120% of the number of students who got placement from institute A

III. 80% of the students studying in institute B got placement.

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

Common factor of 24b6c8d2, 18a6c2d4, 12a4b4 is

What is the value of (cos 40° – cos 140°)/(sin 80° + sin 20°)?

At what point does the line 4x - 3y = -6 intercept the y-axis?

At 13% discount the selling price of a oven is Rs 18000, what is the selling price if the discount is 27.5%?

When a number is increased by 105, it becomes 135% of itself. What is the number?