# Special Quant Quiz for SSC CPO And CGL 2016

As SSC CGL exam is coming near, many of candidates are studying very hard for this exam and want to crack this exam very seriously. Many of candidates understand this thing that QUANTITATIVE APTITUDE Section plays a pivotal role in deciding the cut-off for candidates giving this exam, especially ADVANCED MATHS PORTION.
Friends, from now on We are starting a quiz series of “Advanced Quant Quiz”. According to this plan, we would be publishing daily quiz of Advanced maths portion from where we would cover a topic each in it and we would update it daily.

1.The average age of 30 boys in a class is 15 years. One boy, aged 20 years, left the class, but two new boys came in his place whose ages differ by 5 years. If the average age of all the boys now in the class becomes 15 years, the age of the younger newcomer is:
(1) 20 years
(2) 15 years
(3) 10 years
(4) 8 years

4.The base radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3 . the ratio of their volumes is :
(1) 27 : 20
(2) 20 : 27
(3) 9 : 4
(4) 4 : 9

5.The slant height of a conical mountain is 2.5 km and the area of its base is 1. 54 km^2. Taking π=22/7, the height of the mountain is :
(1) 2.2 km
(2) 2.4 km
(3) 3 km
(4) 3. 11 km

6.Three solid metallic spheres of diameters 6 cm, 8 cm and 10 cm are melted and recast into a new solid sphere. The diameter of the new sphere is:
(1) 4 cm
(2) 6 cm
(3) 8 cm
(4) 12 cm

7.A train running at 7/11 of its own speed reached a place in 22 hours. How much time could be saved if the train would run at its own speed?
(1) 14 hours
(2) 7 hours
(3) 8 hours
(4) 16 hours

10.If A, B, C are the angle of a triangle, then cot A. cot B + cot B  cot C + cot C. cot A will be equal to
(1) tan 0°
(2) tan 45°
(3) tan 30°
(4) tan 60°

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