if $${secθ={a\over b},b≠0,then \ {{1-tan^2θ}\over 2-sin^2θ}  }=?$$

Directions: Following is the pie-chart showing the spending of a family on various items in a particular year

Study the pie chart and answer questions

If the total amount spent on the family during the year was ₹ 35,000, the amount spent for study of children and food together was

If a + b + c = 6, a² + b² + c² = 14 and a³ + b³ + c³ = 36, then the value of abc is

What is the value of [ 7÷ 14 x 8 + (5 ÷ 15 x 6 - 4 × 3)]?

From a point within an equilateral triangle, perpendiculars drawn to the three sides, are 6 cm, 7 cm and 8 cm respectively. the length of the side of the triangle is:

Directions: Study the following bar graph carefully to answer the questions.

The yield per acre of India is what percent more than that of Pakistan?

In an examination, 45% of all the students who appeared are boys and the rest are girls. If 60% of the boys and 70% of the girls passed, then what is the percentage of students who failed?

Directions: The following Pie Chart shows the export of different food grains from India in 2010. Study the chart and answer the questions:

If a total of 1.5 million quintals of crop F was exported, then the total quantity of D and E that was exported (in million quintals) was