General Math Quiz Questions with Answers
The probabilities of solving a problem by three students A, B and C are $$3\over 7$$, $$5\over 9$$ and $$1\over 5$$ respectively. The probability that problem will be solved is:
(A) $$155\over 315$$
(B) $$64\over 315$$
(C) $$251\over 315$$
(D) $$32\over 315$$
Correct Answer : C
In 5 years, the simple interest on an amount of Rs. X is $$2\over 5$$ of the principal. The rate of interest per annum is:
(A) 12%
(B) 8%
(C) 10%
(D) 5%
Correct Answer : B
The difference between the length of two parallel sides of a trapezium is 12 cm. The perpendicular distance between these two parallel sides is 60 cm. If the area of the trapezium is 1380 cm2, then find the length of each of the parallel sides (in cm).
(A) 27, 15
(B) 31, 19
(C) 29, 17
(D) 24, 12
Correct Answer : C
For a sample data, mean = 60 and median = 48. For this distribution, the mode is:
(A) 18
(B) 48
(C) 36
(D) 24
Correct Answer : D
The ratio of the number of coins of 25 paise, 50 paise, Rs.2 and Rs.5 is 5 ∶ 4 ∶ 3 ∶ 1, respectively. If the total amount of the coins is Rs.285, then the difference between the number of 25 paise and Rs.5 coins is:
(A) 80
(B) 30
(C) 40
(D) 60
Correct Answer : A
The average marks obtained by Saloni in four papers is 51, and in the fifth paper she gets 56 marks. Find her new average in all five papers.
(A) 51
(B) 52
(C) 49
(D) 50
Correct Answer : B
A and B can complete a work together in 48 days. A is 4 times as work efficient as B. In how many days can B alone complete the work?
(A) 220 days
(B) 320 days
(C) 240 days
(D) 120 days
Correct Answer : C
If 4x2 + y2 = 40 and xy = 6, then find the value of 2x + y.
(A) 6
(B) 8
(C) 5
(D) 4
Correct Answer : B
Find the exact value of cos 1200.
(A) 1
(B) 0
(C) -0.5
(D) 0.5
Correct Answer : C
The centroid of an equilateral triangle PQR is L. If PQ = 6 cm, the length of PL is:
(A) $$4\sqrt { 3} \ cm$$
(B) $$3\sqrt { 3} \ cm$$
(C) $$2\sqrt { 3} \ cm$$
(D) $$5\sqrt { 3} \ cm$$
Correct Answer : C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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