Sonali Bank Limited senior officer Written Math solution
Exam Date: 30-06-2018
a. A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes. How much fast does he have to work to grade the remaining papers in the allotted time?
b. A two digit number is four times the sum of the two digits. If the digits are reversed, the number so obtained is 18 more than the original number. What is the original number?
c. solve x2-yx=7, y2+xy=30
d. Someone plans to invest x taka in the bond ‘M’ company, which pays 10% interest and y taka in ‘N’ company bonds, which pays 9% interest. He will invest 9000 taka and require that he receives 850 taka as interest. How much should he invest in each company?
e. A committee of 5 persons is to be formed from 6 male and 5 female members. In how many ways this committee can be formed so that there at least 1 male and 1 female member in the committee?
f. A circle is inscribed inside a right angle triangle with equal sides. What is the area of the circle if the length of one side of the right angled triangle is 4cm?
g. The length of a tangent drawn from a point A is 12 cm which is 13 cm away from the centre of the circle. Find the diameter of the circle
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Vai SO IT ar math ta up korun…
Thanks vai.
number a 1 min faster
16:42 sec. 6 number math er ‘Radius of circle’ ber korar 3 number line theke 4 number line kun ain a ashche ?? Naki net theke billa ? Jante chai.
Can you suggest any book which will help in the bank exam?
vai 1 number math ta percentage keno answer korte hobe aktu bujiey bolben plz.
8 a te 1 min faster likhle hobena ?
Thank u so much Viya….
vai root korle 2ta value asbe.tai result hobe 4 ti
percentage er kotha to bola nai.tahole keno parcentage korbo
invest y taka. explain plz math no. d
(1/5 – 1/6)/(1/6)*100=20% ei line tuku na kore just (1/5 – 1/6) more works needed to be done ans hisebe diye aschi. Any hope? Thanks in advance.
Circle er radius je formulay ber korln eta sob khetre applicable????
thank you so much
Thank u very much
unit of area can never be cm^3 it should be cm^2