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Mathematics Quiz For RRB NTPC : 27th November

Q2. The area of the largest triangle that can be inscribed in a semicircle of             radius 6m is:
(a) 36 m2
(b) 72 m2
(c) 18 m2
(d) 12 m2

Q4. Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is:
(a) 3 : 4
(b) 4 : 3
(c) 5 : 3
(d) 5 : 7

Q6. In a cyclic quadrilateral ABCD ∠BCD = 120° and passes through the centre of the circle. Then ∠ABD = ?
(a) 30°
(b) 40°
(c) 50°
(d) 60°

Q7. The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC + XY = 12 units, then BC – XY is:
(a) 10 units
(b) 8 units
(c) 6 units
(d) 4 units

Q8. In an isosceles ∆ABC, AD is the median to the unequal side meeting BC at D. DP is the angle bisector of ∠ADB and PQ is drawn parallel to BC meeting AC at Q. Then the measure of ∠PDQ is:
(a) 130°
(b) 90°
(c) 180°
(d) 45°

Q9. 129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is:

Q10. The volume of metallic cylindrical pipe of uniform thickness is 748 c.c. Its length is 14 cm and its external radius is 9 cm. The thickness of the pipe is:
(a) 0.5 cm
(b) 1.5 cm
(c) 1 cm
(d) 2 cm
L1Difficulty 3
QTags Quantitive Aptitude

Solutions:

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