Important Ratio and Proportion Questions 2020
(A) 1
(B) 2
(C) 5
(D) can’t be determined
Correct Answer : D
(A) 2:3
(B) 1 : 2
(C) 3 : 2
(D) 2 : 1
Correct Answer : C
If the positions of the digits of a two-digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1 : 2, what is the original number?
(A) 36
(B) 63
(C) 48
(D) Cannot be determined
(E) None of these different.
Correct Answer : B
If 0.8 : X :: 5 : 8, then the value of X is
(A) 1.28
(B) 1.16
(C) 1.32
(D) 1.24
Correct Answer : A
The monthly salaries of A, B and C are in the ratio 2 : 3 : 5. If C's monthly salary is ₹ 12,000 more than that of A, then B's annual salary is
(A) ₹ 1,20,000
(B) ₹ 1,44,000
(C) ₹ 1,80,000
(D) ₹2,40,000
Correct Answer : B
A sum of ₹ 1550 was lent partly at 5 % and partly at 8 % simple interest. The total interest received after 3 years is ₹300. The ratio of money lent at 5 % to that at 8 % is
(A) 5 : 8
(B) 8 : 5
(C) 31 : 6
(D) 16 : 15
Correct Answer : D
The difference of cube between the two numbers is 999. If the numbers are in the ratio of 4: 3, then what is the square of the smaller number?
(A) 49
(B) 81
(C) 64
(D) 100
Correct Answer : B
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Gajanand
B-Tech Electronic and Communication Engineering select the SSC CGL Tier-1 and Tier-2 in 2016 and Rajasthan state Govt. Exams Expert in Mathematics , Reasoning Gk and English.
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