Question

The ratio between two numbers is 7 : 3. If the smaller number is 210 , find the larger number

A

420

B

490

C

390

D

690

Solution

The correct option is B 490 Let the numbers be 7x and 3x Given the smaller number = 210  ∴3x=210 x=70 Hence the larger number = (7)×(70)                                         = 490 Hence the larger number = 490Mathematics

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