MEDIUM
7th CBSE
IMPORTANT
Earn 100

A sum of ₹500 is in the form of denominations of ₹5 and ₹10. If the total number of notes is 90, find the number of notes of each type.

Important Questions on Linear Equations in One Variable

MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 17
Sumitra has ₹34 in 50-paise and 25-paise coins. If the number of 25-paise coins is twice the number of 50-paise coins, how many coins of each kind does she have?
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 18
Raju is 19 years younger than his cousin. After 5 years, their ages will be in the ratio 2:3. Find their present ages.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 19
A father is 30 years older than his son. In 12 years, the man will be three times as old as his son. Find their present ages.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 20
The ages of Sonal and Manoj are in the ratio 7:5. Ten years hence, the ratio of their ages will be 9:7. Find their present ages.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 21
Five years ago a man was seven times as old as his son. Five years hence, the father will be three times as old as his son. Find their present ages.
EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 22
After 12 years Manoj will be 3 times as old as he was 4 years ago. Find his present age.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 23
In an examination, a student requires 40% of the total marks to pass. If Rupa gets 185 marks and fails by 15 marks, find the total marks.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 7 - Linear Equations in One Variable>EXERCISE 7B>Q 24
A number consists of two digits whose sum is 8. If 18 is added to the number its digits are reversed. Find the number.