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?

Answer the following questions

P, Q and R alone can complete a piece of work in 24, 36 and 18 days respectively. P started working, after 2 days R joins with them and Q joins with them after another 2 days, then find the no of days P, Q and R worked together.

A person lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest after 2 years is Rs. 820 then in which ratio will Rs. 8000 is to be divided?

The LCM of two numbers is 864 and their HCF is 144. If one of the numbers is 288, the other number is:

Study the given graph and answer the question that follows.

If 60% of the total number of students obtaining 50 marks or more but less than 70 marks are girls and 55 % of the total number of students obtaining 70 marks or more but less than 90 marks are also girls. Then the total number of girls obtaining 50 marks or more but less than 90 marks is:

A shopkeeper bought 25 kg. of pulses at the rate of Rs. 54 kg. He sold forty percent of the total quantity at the rate of Rs. 50 per kg. at what price per kg should he sell the approximately quantity to make 25% overall profit ?

If p³ – q³ = (p-q)[(p-q)²+xpq)] then the value of x is

What can be the maximum number of common tangent, which can be drawn to two non-intersecting circles?