SSC CGL 20th August 2021 Shift-1

Instructions

For the following questions answer them individually

SSC CGL 20th August 2021 Shift-1 - Question 51


In circle with centre O and radius 13 cm, a chord AB is drawn. Tangentsat A and B intersect at P such that $$\angle APB = 60^\circ$$. If Distance of AB from the centre O is 5 cm, then what is the length (in cm) of AP?

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SSC CGL 20th August 2021 Shift-1 - Question 52


The table shows the daily income of 50 persons.
Study the table and answer the question.

What is the ratio of the number of persons earning less than ₹200 to the number of persons earning ₹300 or more?

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SSC CGL 20th August 2021 Shift-1 - Question 53


In a circle, chords AB and CD intersect internally, at E. If CD = 16 cm, DE = 6 cm, AE = 12 cm, and BE = X cm then the value of x is:

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SSC CGL 20th August 2021 Shift-1 - Question 54


The ratio of two numbers A and B is 5 : 8. If 5 is added to each of A and B, then the ratio becomes 2 : 3. The difference in A and B is:

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SSC CGL 20th August 2021 Shift-1 - Question 55


If $$\sec(5 \alpha - 15^\circ) = \cosec(15^\circ - 2 \alpha)$$, then the value of $$\cos \alpha + \sin 2 \alpha + \tan(1.5 \alpha)$$ is:

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SSC CGL 20th August 2021 Shift-1 - Question 56


If $$\sin(20 + x)^\circ = \cos 60^\circ, 0 \leq (20 + x) \leq 90$$, then find the value of $$2 \sin^2(3x + 15)^\circ - \cosec^2(2x + 10)^\circ$$.

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SSC CGL 20th August 2021 Shift-1 - Question 57


Weight of A is 20% more than weight of B, whose weight is 30% more than weight of C. By how much percent weight of A is more than weight of C?

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SSC CGL 20th August 2021 Shift-1 - Question 58


A takes 2 hours more than B to cover a distance of 40 km. If A doubles his speed, he takes $$1\frac{1}{2}$$ hour more than B to cover 80 km. To cover a distance of 120 km, how much time(in hours) will B take travelling at his same speed?

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SSC CGL 20th August 2021 Shift-1 - Question 59


If $$\left(2a+\frac{3}{a}-1\right)=11$$, what is the value of $$\left(4a^2 + \frac{9}{a^2}\right)?$$

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SSC CGL 20th August 2021 Shift-1 - Question 60


If $$a^2 + b^2 + c^2 + 216 = 12(a + b - 2c)$$, then $$\sqrt{ab - bc - ca}$$ is:

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