Free Practice Test 2019 - Practice Questions and Answers
The smallest perfect square divisible by each of 6, 12 and 18 is :
(A) 196
(B) 144
(C) 108
(D) 36
Correct Answer : D
Out of total capital required to start a business A invested 30 %, B invested $$2\over 5$$ and C invested the remaining capital. At the end of one-year sum of Rs. 4000 is earned as a profit which is 20% of the capital given by B, then find how much C invested in the business?
(A) ₹ 25000
(B) ₹ 10000
(C) ₹ 15000
(D) ₹ 12450
Correct Answer : C
The angle of elevation of sun changes form 30°to 45°, the length of the shadow of a pole decreases by 4 meters, the height of the pole is (Assume √3 = 1.732)
(A) 1.464 m
(B) 9.464 m
(C) 3.648 cm
(D) 5.464 m
Correct Answer : D
Population of a town increases by 12% every year. If the population of town will be 188160 after 2 years, then what is its present population?
(A) 150000
(B) 160000
(C) 155000
(D) 165000
Correct Answer : A
From each of the four corners of a rectangular sheet of dimensions 30 cm × 25 cm, a square of side 2 cm is cut off and a box is made. The volume of the box is
(A) $$ {1500 cm^3} $$
(B) $$ {1288 cm^3} $$
(C) $$ {1092 cm^3} $$
(D) $$ {644 cm^3} $$
Correct Answer : C
If the income of A is 10% more than that of B and the income of B is 20% less than that of C, then the incomes of A, B and C respectively are in the ratio
(A) 11 : 10 : 8
(B) 22 : 20 : 25
(C) 10 : 9 : 7
(D) 22 : 18 : 25
Correct Answer : B
The value of $$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ is:
(A) $$ {1\over2}$$
(B) 0
(C) 2
(D) 1
Correct Answer : D
Explanation :
Put A=45 degree and we can get answer.
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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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