If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number.	Choose one
A) 2:5	B) 2:7	C) 5:7	D) 5:3	E) None of these
Explanation:   Let the first number is A and second number is B.   As per question   40/100A=2/3B   A/B=2/3∗100/40   A/B=5/3   =&gt;A:B=5:3   Option 5:3
<result>D</result>
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number.