Question
A student was asked to multiply a number by $3/2$ but he divided that number by $3/2$. His result was 10 less than the correct answer. The number was :
Answer: Option A
Answer: (a)Let the given number be x. Then, (X x $3/2$)-(X ÷ $3/2$) = 10 ⇒ $3/2$x - $2/3$ x = 10 ⇒ = ${9x – 4x}/6$ = 10 ⇒ 5x = 60 ⇒ x = 12
Was this answer helpful ?
Answer: (a)Let the given number be x. Then, (X x $3/2$)-(X ÷ $3/2$) = 10 ⇒ $3/2$x - $2/3$ x = 10 ⇒ = ${9x – 4x}/6$ = 10 ⇒ 5x = 60 ⇒ x = 12
Was this answer helpful ?
More Questions on This Topic :
Question 6. Fraction between $2/5$ and $4/9$ is :....
Question 9. $2/3$ of three-fourth of a number is :....
Submit Solution