Janata Bank PLC || Rural Credit Officer || Written math solution ||21-09-2024

Janata Bank PLC.

post rural credit officer.
date :21/09/2024
#biswasmathzone

1) If the price of sugar false by 2.5%. A person can buy 9 kg more of sugar for taka 1260 thlan before. If the price at risen by 12.5% how much sugar would he have bought for the same sum?

2) In the figure the area of rectangle ABCD is 45 what is the area of the square of EFGH.( In the figure the sides of rectangle are (X + 5) (x - 5) and the one side of a square is x.)

3) A man invested a sum at a certain rate of interest on simple interest and he got 60% more amount after 8 years. If he invest Taka 9,600 at the same rate of interest then find the total interest he would get after 4 years.

4) A is faster than B. A and B each walk 24 km. the sum of the speed is 7 km per hour and sum of times taken by them 14 hours. Then what is the speed of A?

5) If x^2 -3x+1 =0, then what is the value of x^2 -1/x^2 =?