हिंदी

A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence, the ages of A and B five years back would be (x – 5) years and (85 – x) years respectively. - Mathematics

Advertisements
Advertisements

प्रश्न

A and B are together 90 years old. Five years ago A was thrice as old as B was. Hence, the ages of A and B five years back would be (x – 5) years and (85 – x) years respectively.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
Advertisements

उत्तर

This statement is True.

Explanation:

Let the age of A be x years.

Then, age of B = (90 – x) years

Five years ago, the age of A = (x – 5) years

The age of B = 90 – x – 5 = (85 – x) years

Hence, the ages of A and B five years back would be (x – 5) years and (85 – x) years, respectively.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Linear Equation In One Variable - Exercise [पृष्ठ ११५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 4 Linear Equation In One Variable
Exercise | Q 38. | पृष्ठ ११५

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Amina thinks of a number and subtracts `5/2` from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?


Sum of the digits of a two digit number is 9. When we interchange the digits it is found that the resulting new number is greater than the original number by 27. What is the two-digit number?


Hasan buys two kinds of cloth materials for school uniforms, shirt material that costs him Rs 50 per metre and trouser material that costs him Rs 90 per metre. For every 2 meters of the trouser material he buys 3 metres of the shirt material. He sells the materials at 12% and 10% profit respectively. His total sale is Rs 36660. How much trouser material did he buy?


Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.


A grandfather is ten times older than his granddaughter. He is also 54 years older than her. Find their present ages


Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.


Arjun is twice as old as Shriya. Five years ago his age was three times Shriya’s age. Find their present ages.


The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143. What can be the original number?

In a 2 digit number, the units place digit is x. If the sum of digits be 9, then the number is (10x – 9).


After 12 years, Kanwar shall be 3 times as old as he was 4 years ago. Find his present age.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×