৫৮৯১
An accurate clock shows 8 o’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 2 o’clock in the afternoon?
উত্তর
180°
৫৮৯২
66 cubic centimeters of silver is drawn into a wire 1 mm in diameter. The length of the wire in meters will be
উত্তর
84 meters
৫৮৯৩
A man purchased a cow for Tk. 3000 and sold it the same day for Tk. 3600, allowing the buyer a credit of 2 years. If the rate of interest be 10% per annum, then the man has a gain of :
উত্তর
0%
৫৮৯৪
Find the greatest number that will divide 43, 91, and 183 so as to leave the same remainder in each case.
উত্তর
13
৫৮৯৫
In order to obtain an income of Tk. 650 from 10% stock at Tk. 96, one must make an investment of :
উত্তর
Tk. 6240
৫৮৯৮
The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is = ?
উত্তর
6400
৫৮৯৯
A student scores 55% marks in 8 papers of 100 marks each. He scores 15% of his total marks in English. How much does he score in English?
উত্তর
66
৫৯০০
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
উত্তর
21 : 22