The product of two consecutive even numbers is 168. Find the sum of the numbers?

Direction: Study the following graph carefully and answer the following questions.

What is the ratio of companies having more demand than production to those having more production than demand?

If sin²a = cos³a then the value of cot⁶ a – cot²a? 

Direction: The bar graph shows revenues in rupees lakhs from selling four different products (A, B, C and D) by a certain company. Study the diagram and answer the following questions.

By what value (in %) the revenue from sale of product B in 2016 was greater than that of 2015?

The cost price of a radio is₹  600. The 5% of the cost price is charged towards transportation. After adding that, if the net profit to be made is 15%, then the selling price of the radio must be

Direction: What value will come in place of the question mark (?) in the following question?

14, 15, 31, 94, 377, ?

Direction: Equation number I and II are given. You have to solve both the question and answer.
$$ {I.x^{2}={144}}$$
$$ {II.y^{2}-24y+144=0}$$

75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively?