Mathematical Series Questions for Competitive Exams
Q : A sum of money at compound interest amounts to thrice itself in three years. In how many years will it be 81 times itself?
Correct Answer : C
Q : A borrows a sum at 6% per annum. Rate is to be increased by 5% each year. After four year he pays Rs.3375 as simple interest. How much had he borrowed?
Correct Answer : B
Q : Rs 1250 becomes Rs 1352 after a certain period at the rate of 4% per annum. Find out the period of investment, if interest add in principal after every year?
Correct Answer : B
Q : Two equal amounts are deposited in two different banks at 12% for 3 years and 4.5 years. The difference between simple interest received is Rs. 72. Find the amount deposited in bank.
Correct Answer : B
Q : The difference between C.I and S.I is Rs 200 at 5% for 2 years. Find the principal?
Correct Answer : A
Q : A sum is lent for 4 years at simple interest. Had the rate been 3% less, simple interest received would also have been Rs. 96 less. Find the principal?
Correct Answer : B
Q : Difference between C.I and S.I for 3 years at 10% is Rs 465. Find the principal.
Correct Answer : A
Q : The average age of man and his son is 35 years. The ratio of their ages is 5:2 respectively. What is the son’s age?
Correct Answer : D
Q : 15 years back ratio of the age of father and son was 6:1. 5 years after it will be 2:1. What is father’s present age?
Correct Answer : A
Q : The ratio of the present age of A and B is 4:5. The sum of their age after 4 years will be 80 years. What will be the ratio of their age after 4 years?
Correct Answer : B
(A) 27
(B) 9
(C) 12
(D) 15
(E) None of these
Correct Answer : C
(A) 12,000
(B) 12500
(C) 10,000
(D) 8,000
(E) None of these
Correct Answer : B
(A) 4 years
(B) 2 years
(C) 3 years
(D) 5 years
Correct Answer : B
(A) 500
(B) 400
(C) 600
(D) 450
Correct Answer : B
(A) 80,000
(B) 40,000
(C) 20,000
(D) 10,000
Correct Answer : A
(A) 900
(B) 800
(C) 700
(D) 1200
Correct Answer : B
(A) 15000
(B) 12000
(C) 14000
(D) 13000
Correct Answer : A
(A) 50 Years
(B) 35 Years
(C) 15 Years
(D) 20 Years
(E) None of these
Correct Answer : D
(A) 45
(B) 40
(C) 50
(D) 35
Correct Answer : A
(A) 11:9
(B) 9:11
(C) 3:4
(D) 1:2
(E) None of these
Correct Answer : B
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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