Important Ratio and Proportion Questions 2020
A and B have money in the ratio 2: 1. If A gives Rs. 2 to B, The money will be in the ratio 1: 1. What were the initial amounts they had?
(A) ₹ 12 and ₹ 6
(B) ₹ 16 and ₹ 8
(C) ₹ 8 and ₹ 4
(D) ₹ 6 and ₹ 3
Correct Answer : C
If U+V=80 and U:V=5:3 then find out the U-V.
(A) 20
(B) 30
(C) 15
(D) 40
Correct Answer : A
₹ 180 contained in a box consists of one rupee, 50 paise and 25 paise coins in the ratio 2 : 3 : 4 . What is the number of 50 paise coins?
(A) 60
(B) 120
(C) 150
(D) 180
Correct Answer : B
An amount of Rs.56,742 is divided between X and Y in the ratio of 19 : 23. What is the difference between thrice the share of X and twice the share of Y?
(A) Rs.10,241
(B) Rs.12,351
(C) Rs.14,861
(D) Rs.16,281
(E) None of these
Correct Answer : C
A and B started a business with their investments in the ratio 7 : 11. After four months, C joined them with an investment which is Rs.4,000 more than A's investment and he is the working partner who earns a monthly salary of Rs.1,200. The share of 'C' in the total profit of Rs.65,600 is Rs.22,400. What is the share of A?
(A) Rs.19,200
(B) Rs.18,400
(C) Rs.12,800
(D) Rs.16,800
(E) None of these
Correct Answer : D
If three numbers are in the ratio 3:5:6 and their LCM Is 2160, then find their HCF.
(A) 16
(B) 18
(C) 20
(D) 22
(E) 24
Correct Answer : E
In a company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.
(A) 25700
(B) 27700
(C) 23500
(D) 23700
(E) None of these
Correct Answer : D