During question hours the questions are given to:
(A) The Speaker (B) The Deputy Speaker
(C) the Secretary General of the house (D) all of the above
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The number of all possible selections of one or more questions from 10 given questions, each question having one alternative is
(c) Since each question can be selected in 3 ways, by selecting it or by selecting its alternative or by rejecting it. Thus, the total number of ways of dealing...
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A bike covers a certain distance at the speed of 64 km/hr in 8 hours. If a bike was to cover the same distance in approximately 6 hours,
(b) Distance = 64 × 8 = 512 km Speed =512/6 = 85 km/hr (approx.)
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In a question paper, there are four multiple choice type questions. Each question has five choices with
(c) Since, every question has five options, so no. of choices for each question = 5 ∴ total no. of choices = 5 × 5 × 5 × 5 = 625 Now, no....
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A question paper had ten questions. Each question could only be answered as True (T) or False (F).
(d) Each question can be answered in 2 ways. Hence, total no. of sequences = 2 × 2 × ........ 10 times = 210 = 1024
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A person can walk a certain distance and drive back in six hours. He can also walk both ways in 10 hours.
(a) 2-way walk = 10 hrs ∴ 1-way walk = 5 hrs 1-way walk + 1 way drive = 6 hrs ∴ 1 way drive = 6 – 5 = 1 hr Hence, two...
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Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively:
(a) Beirut is in the east of G..M.T. and Lima is five hours behind the G.M.T. We know that 1° is equal to four minutes i.e., 2 hours = 30° East...
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If a bus travels 160 km in 4 hours and a train travels 320km in 5 hours at uniform speeds
The correct answer is (C) 5:8
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A scooter travels 120km in 3 hours and a train travels 120km in 2 hours. Find the ratio of their speeds.
The correct answer is 2 : 3
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The earth rotates 360o about its axis in about 24 hours. By how much degree will it rotate in 2 hours?
The correct answer is 30°
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A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five hours?
Let the number of bottles filled by the machine in five hours be x. The given information in the form of a table is as follows. Number of bottles 840 x Time taken (in hours) 6 5 The...
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