Jamb Mathematics Questions - Ratio, proportion and rate
Question 16:
If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of \(\frac{3p - q}{4q + r}\)
View Answer & ExplanationQuestion 17:
If x varies directly as y3 and x = 2 when y = 1, find x when y = 5
View Answer & ExplanationQuestion 18:
If P varies inversely as V and V varies directly as R2, find the relationship between P and R given that R = 7 when P = 2
View Answer & ExplanationQuestion 19:
Two sisters, Taiwo and Keyinde, own a store. The ratio of Taiwo's share to Kehinde's is 11:9. Later, Keyinde sells \(\frac{2}{3}\) of her share to Taiwo for N720.00. Find the value of the store.
View Answer & ExplanationQuestion 20:
A basket contain green, black and blue balls in the ratio 5 : 2 : 1. If there are 10 blue balls. Find the corresponding new ratio when 10 green and 10 black balls are removed from the basket
View Answer & Explanation