Question
If a boat travels 18 km more in downstream than in
upstream in 3 hours and if the speed of the Boat in still water is 20 kmph. Find the distance travelled by boat in downstream in 4 hours?Solution
Difference in travelling distance in downstream and upstream in 1 hour is 6 km Let the speed of upstream be x km/hr Speed of downstream = x + 6 km/hr speed of the Boat in still water = 20 km/hr 1/2 x (x + x + 6) = 20 2x + 6 = 40 x = 17 km/hr Speed of downstream = 17 + 6 = 23 km/hr Distance travelled in 4 hours = 23 x 4 = 92 km
The soldier showed an exemplary courage.
Choose the correct option from below mentioned change in voice of the given sentence:
The nurse is looking after this little girl.
In the sentence "She is too tired to continue," what is the adverb?
1. People of all age groups could get benefitted if India creates enough services for the elderly and follow an elderly prioritised approach for some de...
Each question consists of four sentences and some sentences are grammatically incorrect or inappropriate. Read each sentence to find out the error in t...
It conveniently for its champions (A) / absolve the policymaker from addressing (B) / the challenge of ensuring the (C) / production of food at affordab...
Choose the correct combination of grammatically incorrect sentences
I. The Election Commission of India has cited urban voter apathy and the i...
Choose the correct combination of grammatically incorrect sentences
I. The law, which also provides for a social audit and grievance redress, g...
1. Recently, on the economic front, India, after 2014, has taken steps like relying greatly on big businesses and privatisation so as to fix economies, ...
The Centre’s bid to dispel the pall of gloom over the economy (have been helped) in recent weeks by a rating.
Relevant for Exams:
