5th May 2017 - SSC CGL - 87 days to go -- Quantitative Aptitude

 Today 10 Quantitative Aptitude Questions

1. If x+1/16x = 1, then the value of 64×3 + 1/64×3 is-
a. 4
b. 52
c. 64
d. 76
2. The graphs of x +2y =3 and 3x-2y = 1 meet the Y-axis at two points having distance-
a. 8/3 units
b. 4/3 units
c. 1 unit
d. 2 units
3. The length of a shadow of a vertical tower is 1//?3 times its height. The angle of elevation of the Sun is-
a. 300
b. 450
c. 600
d. 900
4. If I is the incentre of ? ABC and angle BIC = 1350, then &Delta ABC is-
a. Acute angled
b. Equilateral
c. Right angled
d. Obtuse angled
5. If O is the circumcentre of ?ABC and ?OBC = 350, then the ?BAC is equal to-
a. 550
b. 1100
c. 700
d. 350
6. If a4 + a2 b2 + b4 = 8 and a2 + ab + b2 = 4, then the value of ab is-
a. -1
b. 0
c. 2
d. 1
7. If a = 25, b = 15, c = -10, then the value of a3 + b3 + c3 – 3abc/ (a-b)2 + (b-c)2 + (c-a)2 is-
a. 30
b. -15
c. -30
d. 15
8. A, B, C are three points on a circle. The tangent at A meets BC produced at T, angle BTA = 400, angle CAT = 440. The angle subtended by BC at the centre of the circle is-
a. 840
b. 920
c. 960
d. 1040
9. If the length of a chord of a circle at a distance of 12 cm from the Centre is 10 cm, then the diameter of the circle is-
a. 13 cm
b. 15 cm
c. 26 cm
d. 30 cm
10. If a, b, c, are three non-zero real numbers such that a + b + c = 0, and b2 ? ca, then the value of a2 + b2 + c2/ b2 –ca is-
a. 3
b. 2
c. 0
d. 1
Answers - 1 b , 2 d , 3 c , 4 c , 5 a , 6 d , 7 d , 8 d , 9 c , 10 b