Question

In what ratio must 15 be increased to make it 45?
a)1:4
b)3:2
c)4:3
d)3:1​

Answer 1

Answer:

3:1 is the the answer bof this question

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The ratio must 15 be increased to make it 45

a) 1 : 4

b) 3 : 2

c) 4 : 3

d) 3 : 1

CONCEPT TO BE IMPLEMENTED

Ratio :

Ratio means comparing of two quantities

The ratio of a number a to another number b ( where b ≠ 0) is a fraction a/b and it is written a : b , the first term a is called antecedent and the second term is called consequent

EVALUATION

Here we have to find the ratio must 15 be increased to make it 45

Old number = 15

New number = 45

Thus we have

Antecedent = 45

Consequent = 15

Hence the required ratio

= 45 : 15

= 3 : 1

FINAL ANSWER

Hence the correct option is d) 3 : 1

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