A boat running downstream covers a distance of 36 km in 3 hrs while it covers the same distance upstream in 4 hrs. Then speed of the boat in still water is
Let the speed of boat in still water be a km/hr and that of stream be b km/hr. Therefore, 36/(a + b)= 3 ⇒ a + b = 12 ………..(i) 36/(a – b)= 4 ⇒ a + b = 9 ………..(ii) On adding, eq (i) and (ii) ⇒ 2a = 21 km/hr ⇒ a = 10.5 km/hr
Ann received the promotion instead of Susan (A) / as Ann is senior than Susan in age (B)/ though Susan had worked there before Ann.(C)/ No error(D)
The climate(A)/ of Mumbai (B)/ is better than Hyderabad.(C)/ No error(D)
Surrounding the nucleus is an extended bulge of stars that is nearly spherical in shape and that consists primarily Population II stars, though they are...
The Rajdhani train will arrive(1)/ on its scheduled time at 4 o'clock,(2)/ so everyone should be ready before 3 o'clock and(3)/ pack your luggage too so...
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option.
Parts of the following sentence are given as options. Identify the segment that contains a grammatical error
Instead of attend the class he wen...
Identify the segment in the sentence which contains the grammatical error from the given options. If there is no error, select No error.
No one i...
Nearly three years after the government began experimenting with Aadhar based payments in the country it has still not been able to start disbursing pay...
No sooner did(1)/ the sun rise when(2)/ we took a hasty(3)/ breakfast and resumed the journey.(4)
If you pick up (A)/a starving dog (B)/and made him prosperous, (C)/he will not bite you (D).
