RRB ALP 17th Aug 2018 Shift-2

Find the length of a transverse common tangent of the two circles whose radii are 3.5cm, 4.5cm and the distance between their centres is 10cm.

Non-metallic character increases from ............

Select the correct option to complete the following letter series.
EHI, FJK, GLM, HNO, .........

The chart represents the domestic expenditure of a family per month. If the family income is ₹ 33,650 then the total money spent by the family on entertainment and food together per month is:

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely?