SSC CPO 11th Dec 2019 Shift-1
For the following questions answer them individually
A and B started travelling towards each other at the same time, from places X to Y and Y to X, respectively. After crossing each other, A and B took 2.45 hours and 4.05 hours to reach Y and X, respectively. If the speed of B was 8.4 km/h, then what was the speed (in km/h) of A?
Pipes P and Q can fill a tank in 18 and 27 minutes, respectively, whereas pipe R can empty thefull tank in 54 minutes. P and Q were opened together for 6 minutes and then closed and R was opened. The tank was emptied by R alone in:
A circular park whose diameter is 210 m has a 5 m wide path running around it (on the outside). What is the area (in m$$^2$$) of the path?
If $$(2x - 5y)^3 - (2x + 5y)^3 = y[Ax^2 + By^2]$$, then what is the value of $$(2A - B)$$?
The value of $$\frac{5-[2+3(2-2 \times 2 + 5) - 5] \div 5}{4 \times 4 \div 4 of (4 + 4 \div 4 of 4)}$$ is
A solid metallic sphere of radius x cm is melted and then drawn into 126 cones each of radius 3.5 cm and height 3 cm. There is no wastage of material in this process. What is the value of x?
Study the given pie chart and answer the question that follows.
Break-up (degree-wise) of the number of students in five schools (A, B, C, D and E) in a city.
Total number of students = 5200
If the ratio of the numberof boysto thatofgirls in school B is 7 : 6 and the ratio of the number of boys to that of girls in school is 4 : 5, then what is the ratio of the number of boys in B to that of girls in D?
If the total number of students in schools D and E exceeds the number of students in school A by x, then x lies between:
For the following questions answer them individually
Ina test consisting of 140 questions, a candidate correctly answered 70% of the first 80 questions. What percentage of the remaining questions does the candidate need to correctly answerto score 60% in the test?
A train of length 212 m is running at 45 km/h.In whattime (in seconds)will it cross a platform of length 188 m?
