BSF Constable(GD) Questions and Answers 2022
If $$ {a\over 3}={b\over3}={c\over4}$$ then find the value of $$ {a+b+c\over c}$$.
(A) $$ {5\over 8}$$
(B) $$ {5\over 2}$$
(C) $$ {5\over 7}$$
(D) $$ {9\over 8}$$
Correct Answer : B
In a factory, the production of cycles rose to 48,400 from 40,000 in 2 years. The rate of growth per annum is?
(A) 10.5%
(B) 9%
(C) 8%
(D) 10%
Correct Answer : A
The average of five natural numbers is p. If the next three numbers are included then how much the average of these 8 numbers exceeds than the average p?
(A) 1.4
(B) 1.5
(C) 2
(D) 1
Correct Answer : B
The ratio of the length of the parallel sides of a trapezium is 3: 2. The shortest distance between them is 15 cm. If the area of the trapezium is 450 cm.2, the semi-sum of the length of the parallel sides is
(A) 20 cm
(B) 30 cm
(C) 60 cm
(D) 120 cm
Correct Answer : B
The sum of two positive numbers is 20% of the sum of their squares and 25% of the difference of their squares. If the numbers are x and y then, is equal to
(A) 2
(B) 5
(C) 4
(D) 3
Correct Answer : A
There are 80 students in a class out of these 15% are girls. The monthly fee of each girl is Rs.350 and monthly fee of each boy is 38% more than each girl. What is the total fee of girls and boys in the class?
(A) 42215
(B) 41065
(C) 36420
(D) 37044
Correct Answer : D
An article is sold for Rs 4,777 after giving a discount of 15%. What is the marked price of the article?
(A) 5495
(B) 5420
(C) 5620
(D) 5348
Correct Answer : C
What is the simplified value of (1– sin A cos A)(sin A + cos A)?
(A) $$cos^2A – sin^2A$$
(B) 0
(C) $$sin^3A + cos^3A$$
(D) $$sin^2A – cos^2A$$
Correct Answer : C
What is the value of 300°?
(A) -1/2
(B) $$ {-1\over{\sqrt{2}}}$$
(C) $${-\sqrt{3}}$$
(D) $${-\sqrt{3}\over 2}$$
Correct Answer : C
If cos θ + sin θ =m, sec θ + cosec θ =n, what is m/n?
(A) 1
(B) sin θ cos θ
(C) sec θ cosec θ
(D) cot θ tan θ
Correct Answer : B
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