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Downstream speed of the boat = 195/10 = 19.5 km/hr Upstream speed of the boat = 140/14 = 10 km/hr Speed of boat in still water = (19.5 + 10)/2 = 14.75 km/hr Distance travelled by the boat in still water in 4 hours = 14.75 × 4 = 59 km
The average age of a group of 15 students is 20 years. Two persons of age 30 years and 44 years, left the group and 2 persons of age 25 years and 34 yea...
There are three envelopes with three different addresses writen on them. Three leters are to be enclosed in these three envelopes such that one leter g...
In which of the following regions, The Mahalwadi settlement was applied?
When a dielectric material is kept in an external electric field, which one of the following phenomena may be realized ?
The device to convert alternating current into direct current is
Ajay spent 32% of his monthly income on rent and 48% of the remaining on food and the rest amount is saved by him which is Rs. 2652, then find the month...
Sri Ranganathaswamy Temple, which is situated in Tamil Nadu, is dedicated to which deity?
Which of the following events takes place during diastole in the human heart?
The resistivity of a material is dependent on which of the following factors?
The apparent position of a star keeps on changing slightly because:
