SSC CPO 13th-March-2019-Shift-2
For the following questions answer them individually
If a train rims with the speed of 52 km/h, it reaches its destination late by 15 minutes. However. if its speed is 65 km/h, it is late by 5 minutes only. The right time for the train to cover its journey is:
A sphere of radius 9 cm is melted and recast into small spheres of radius 2 cm each. How many such sphere can be made?
Ina class of 45 students, 40% are boys and rest are girls. The average weight of the girls is 55 kg and that of boys is 65 kg. What is the average weight (in kg) of the whole class?
If $$(x - 3)^2 + (2x - 5)^3 + (x - 4)^3 = (3x - 9)(2x - 5)(x - 4)$$ , then what is the value of $$x$$ ?
Two pipes A and B can fill a tank in 16 hours and 20 hours respectively. They are opened alternatively for 1 hour each. starting with pipe A first. In how may hours with the empty tank be filled?
If the seven digit number 3x6349y is divisible by 88, then what will be the value of (2x + 3y)?
One side of a rhombus is 6.5 cm and one of it’s diagonal is 12 cm. What is the area of the rhombus?
