General Math Quiz Questions with Answers
What is the perimeter of a square inscribed in a circle of radius 5 cm?
(A) $$20\sqrt { 2} \ cm$$
(B) $$40\sqrt { 2} \ cm$$
(C) $$30\sqrt { 2} \ cm$$
(D) $$10\sqrt { 2} \ cm$$
Correct Answer : A
If the curved surface area of a cylinder is 126π cm2 and its height is 14 cm, what is the volume of the cylinder?
(A) $$283{1\over 2}π \ cm^3$$
(B) $$137{1\over 2}π \ cm^3$$
(C) $$128{1\over 2}π \ cm^3$$
(D) $$125{1\over 2}π \ cm^3$$
Correct Answer : A
A, B and C invested capital in the ratio of 3 : 4 : 8. At the end of the business term, they received the profit in the ratio of 2 : 3 : 5. What is the ratio of their invested time?
(A) 15 : 16 : 13
(B) 13 : 18 : 15
(C) 16 : 18 : 15
(D) 16 : 21 : 18
Correct Answer : C
Reshma covers 45 km at a speed of 15 km/h by bicycle, 80 km at a speed of 40 km/h by car, and another 6 km at a speed of 2 km/h on foot. Find her average speed for the whole journey (correct to 2 decimal places).
(A) 16.38 km/h
(B) 43.50 km/h
(C) 18.36 km/h
(D) 15.25 km/h
Correct Answer : A
If △ABC is right angled at B, AB = 12 cm and ∠CAB = 60°, determine the length of BC.
(A) $$24\sqrt { 2} \ cm$$
(B) 12
(C) $$12\sqrt { 2} \ cm$$
(D) $$12\sqrt { 3} \ cm$$
Correct Answer : D
Find the value of given expression.
3 – (– 6) {– 2 – 9 – 3} ÷ 7{1 + (– 2) (– 1)}
(A) – 1
(B) 15
(C) 7
(D) 1
Correct Answer : A
If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 – 81y2 and 81x2 – 9y2 is divisible by __________
(A) 135
(B) 120
(C) 180
(D) 90
Correct Answer : A
Simplify the following
$${\sqrt { 10+{\sqrt { 25+ {\sqrt { 108 +\sqrt { 154+ \sqrt { 225} \ } \ } \ }} \ } } \ }\over \sqrt { 16+ 19.25×4^2} $$
(A) $$7\over 18$$
(B) $$2\over 9$$
(C) $$5\over 18$$
(D) $$1\over 9$$
Correct Answer : B
Find the number of diagonals of a regular polygon, sum of whose interior angles is 27000.
(A) 121
(B) 119
(C) 127
(D) 117
Correct Answer : B
A dishonest dealer marks up his goods by 50% and then gives a discount of 20% on the marked price. Apart from this, he uses a faulty balance which reads 1kg for 900 gm. What is his net profit percentage (rounded off to the nearest integer)?
(A) 24
(B) 27
(C) 36
(D) 33
Correct Answer : D
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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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