Question Text
Question 2 :
Length of a pencil is 18 cm and its diameter is 8 mm. What is the ratio of the diameter of the pencil to that of its length?
Question 5 :
32m : 64m = 6 sec : 12 sec. TRUE OR FALSE?
Question 6 :
Rahim sells 2 kg of apples for Rs.180 and Roshan sells 4 kg of apples for Rs.360. Whose apples are more expensive?
Question 9 :
In a statement of proportion, the four quantities involved when taken in order are known as respective terms. Second and third term are known as middle term. TRUE or FALSE?
Question 10 :
There are 20 girls and 15 boys in a class. What is the ratio of number of girls to the total number of students in the class?
Question 11 :
The students of a school belong to different religious backgrounds. The number of Hindu students is 288, the number of Muslim students is 252, the number of Sikh students is 144 and the number of Christian students is 72. Find the ratio of the number of Muslim students to the total number of students.
Question 12 :
Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.
Question 13 :
A picture is 60 cm wide and 1.8 m long. The ratio of its width to its perimeter in lowest form is _________ .
Question 14 :
There is a number in place of question mark such that ? , 24, 9, 12 are in proportion. The number in the place of question mark is _____ .
Question 15 :
20 tons of iron costs Rs. 600000. Find the cost of 560 kg of iron.