NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 7: Comparing Quantities - Multiple Choice QuestionsQuestion 18
Class 7 - Mathematics - Unit 7: Comparing Quantities - Multiple Choice Questions
Question. 18
If 90% of x is 315 km, then the value of x is
(a)
(a) 325 km
(b)
(b) 350 km
(c)
(c) 405 km
(d)
(d) 340 km
Detailed Answer with Explanation:
\(0.9x = 315 \implies x = \dfrac{315}{0.9} = 350\,km\).