EASY
Earn 100

A and B are friends and their ages differ by 2 years. A's father D is twice as old as A and B is twice as old as his sister C. The age of D and C differ by 40 years. Find the ages of 40 and B.

Important Questions on Linear Equations in One Variable

MEDIUM

Write the algebraic expression for the following.

Sum of numbers p and 2 subtracted from the product of A and B.

HARD

You are taking some friends for a movie and want to treat them with pizza. The cost of the movie ticket is120 and the pizza costs 30. Let n represents the number of friends. If n=5, what will be your total expenditure in rupees?

 

EASY

Write the expression for the statement.

11 is subtracted from 2m.

EASY

Give the expression in the following cases:

y is multiplied by -8 and then 5 is added to the result.

MEDIUM
Find the value of 11(P+Q)-PQ, for  P=-2 and Q=5.
EASY
 The two-digit number whose ten's digit is 't' and units digit is 'u' is _____ (Write the answer in expanded form)
EASY
Complete the entries in the third column of the table.
Equation Value of variable
Equation satisfied
Yes/No
10y=80 y=10  
EASY

Write the algebraic expression for the following.

Two-fifth of a number p added to 9

HARD
Ranjan starts from Delhi at 6:00 am for Dehradun. If the speed of his car is v km/hr and he observes at 11:00 am that he is just 50 km from Dehradun, find the distance between Delhi and Dehradun in terms of v. What is the importance of using a seat belt, while travelling in a car?
EASY
Write the expression for the statement:

3 is subtracted from 5y.

EASY

Write the expression y multiplied by -8.

HARD

If Rohan spends x every day and saves y every week, what is his income in (₹) three weeks? How can you help your parents by saving money?

EASY

Give an expression: 5 times y to which 3 is added. 5y+3 / 3y+5 / 5y+3y

MEDIUM
A show organiser has 500 tickets. He sells t tickets every day. Write an algebraic expression to find the number of tickets that he would sell in w weeks.
EASY

Write the algebraic expression for the following.

2 more than 3 times of a

EASY
Complete the table and by inspection of the table find the solution to the equation m+10=16.
m 1 2 3 4 5 6 7 8 9 10 11 12 13
m+10                          
MEDIUM
Make up as many expressions with numbers (no variables) as you can from three numbers 5,7 and 8. Every number should be used not more than once. Use only addition, subtraction and multiplication.
EASY
Leela is Radha's younger sister. Leela is 4 years younger than Radha. If the Leela's age in terms of Radha's age is k years, then find the value of k. (Take Radha's age to be x years).
EASY

Give the expression for: y is multiplied by 5 and the result is subtracted from 16.  5y-16 / 16-5y / 16y-5