Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and--
Area of a square is equal to the area of a circle. What is the circumference of the circle ?
I. The diagonal of the square is x inches.
II. The side of the square is y inches.
A, B, and C are positive integers. Is their product an even number ?
I. A is an even number.
II. The product of A and B is an even number and that of A and C is also an even number.
For the following questions answer them individually
By how much is three-fifth of 350 greater than four-seventh of 210 ?
Three men, four women and six children can complete a work in 7 days. A women does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days ?
For the two given equations I and II----
I. $$6p^{2}+5p+1=0$$
II. $$20q^{2}+9q=-1$$
I. $$3p^{2}+2p-1=0$$ II. $$2q^{2}+7q+6=0$$
I. $$3p^2+15p=-18$$ II. $$q^2+7q+12=0$$
I. $$p=\frac{\sqrt{4}}{\sqrt{9}}$$ II. $$9q^{2}-12q+4=0$$
I. $$p^{2}+13p+42=0$$ II. $$q^{2}=36$$
Study the information given in each of these questions to answer the questions.
Cumulative frequency of number of books purchased----
January 150
February 260
March 290
April 360
May 450
June 580
July 780
August 1010
September 1120
In which month were highest number of books purchased ?