Related Questions

A bond gets matured in 10 years . invested TK. 42,000 in this bond and received Tk. 105000 once the bond matured . If the bond was under simple interest . then what was the rate of interest per annum?
A 10%
B 12.5%
C 15%
D 7.5%
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength?
A O2
B O+2
C O-2
D O-22
As compared to English bond, double Flemish bond is
A Stronger
B More compact
C Costly
D None of the above
The length of double bond is _______ than single bond.
A Shorter
B Longer
C Of same lenght
D None of the above
ব্রোমোক্লোরোমিথেন (CH2BrCl) যৌগে একটি সমযোজী বন্ধনের হোমোলাইটিক ফিশন দ্বারা কোন র‍্যাডিকেল তৈরি হওয়ার সম্ভাবনা সবচেয়ে বেশি? (Which radical is most likely to be formed by the homolytic fission of one covalent bond in CH2BrCl?)
A CH2CI
B CH2Br
C CHBrCl
D CH2BrCl
সমবায় বন্ধনে (Covalent bond) ইলেকট্রনগুলোর জন্য নিচের কোন উপাদানটির সর্বাধিক আকর্ষণ আছে?
A Ge
B Se
C Br
D As
The covalent bond is formed by
A Transfer of electrons between atoms
B Sharing of electrons between atoms
C Sharing of variable number of electrons by a variable number of atoms
D None of the above
The average marks obtained by a group of 16 students was 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.5. What was the average marks obtained by the student who left and the one who joined?
A 10
B 11
C 8
D 9
The average of a group of 10 students is 15 years. When 5 more students joined the group, the average age rose by 1 year. What is the average age of the newly joined students?
A 16
B 17
C 18
D 19
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the group. What is the average age of the two new students who joined the group?
A 22 years
B 30 years
C 40 years
D 32 years

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