Question
Temperature of the Sun is measured
bySolution
Pyrometer measures higher temperature with measuring radiation emitted by source.
How many boys are there in the class?
I. The number of girls is 30% of the number of boys.
II. The ratio of the number of boys to that of girls is 3:5.
Find the rate of interest per annum on a sum of money invested? Statement I: The difference between the compound interest and simple interest at the end...
Find value of x² + y².
I. x + y = 10
II. xy = 21
In a partnership business of A, B and C, what profit did B get at the end of 2 years?
I. A and B started the business by the investing in ratio 2...
What is the length of a wooden board of width 6 metres and thickness one-third of the width?
I. Surface area of the board is 152 m².
II. ...
In each of the following questions, a question is followed by information given in three statements. You have to study the question along with the stat...
How much time does A take alone to complete the work?
I. B alone takes 45 days, while A and B together take 15 days to complete the work.
...
What is the sum of two numbers?
I. Difference between the numbers is ` `