Related Questions

Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--
A F only
B G only
C H only
D both F and G
. ‘পদার্থবিদ্যার শিক্ষক হিসেবে তােমার যােগ্যতা সম্পর্কে কেউ সন্দেহ। পােষণ করে না' এই বাক্যের ইংরেজি অনুবাদ হিসেবে নিচের কোন বাক্য/বাক্যসমূহ গ্রহণযােগ্য? (1) No one doubts your competence as a teacher of physics. (2) No one has and doubt about as a teacher of physics No one has and doubt about your competence as a teacher of physics. (3) No one doubts that your are a competent teacher
A (1)
B (2)
C (3)
D (1) and (2)
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
Optical fibre works on which of the following principle of light?
A Reflection
B Refraction
C Diffraction
D Total internal reflection
In a beam subjected to pure bending, the intensity of stress in any fibre is _________ the distance of the fibre from the neutral axis.
A Equal to
B Less than
C More than
D Directly proportional to
Four subjects ---physics, Chemistry, Mathematics and Biology ---were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the chemistry period scheduled? 1. Mathematics period ended at 10.00 a.m, which was preceded by Biology. 2. Physics was scheduled in the last period. 3. Mathematics period was immediately followed by Chemistry.
A Only 1
B Only 2
C Only 2 and 3
D Only 1 and either 2 or 3
A school has a total enrollment of 90 students. There are 30 students taking physics, 25 taking English, and 13 taking both. What percentage of the students is taking either physics or English?
A 30%
B 36 %
C 47 %
D 51 %
A school has a total enrollment of 9- students. There are 30 students taking Physics, 25 taking English, and 13 taking both. What percentage of the students are taking either Physics or English?
A 30%
B 36%
C 47%
D 51%
A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the final examination. The 3 monthly examinations are of equal weightage whereas the final examination is weighted twice as much as monthly examination. What is his average mark physics?
A 82
B 85
C 79
D 78.75
A school has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics or English?
A 32 %
B 36 %
C 47 %
D 51 %

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