৩১০৮১
The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
উত্তর
32
৩১০৮২
In a library , of the books standing in a row on a shelf ,an atlas is the 30th book from the left and the 33rd book from the right. If 2 books will be left of the atlas and 4 books to the right of the atlas are removed from the shelf , how many books will be left on the shelf?
উত্তর
56
৩১০৮৩
Two outlets of a motor manufacturing company reported that revenue from outlet x in 2013 was down 11 percent from 2012. and revenue from outlet Y in 2013 were up 7 percent from 2012. If total revenue from outlet X & Y in 2013 was up 1 percent from 2012, what is the ratio of revenue from outlet X in 2012 revenue from outlet Y in 2012?
উত্তর
1 : 2
৩১০৮৪
A school has raised 75% of the amount it needs for a new building by receiving an average donation of Tk 60 from the people already solicited. The people already solicited represent 60% of the people the college will ask for donations If the college is to raise exactly the amount needed for the new building , how much must the remaining people donate per person?.
উত্তর
Tk 30
৩১০৮৫
There are tow examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in a is double the number of students in B. what is the number of students in room A?
উত্তর
100
৩১০৮৬
A recipe for 4 servings requires salt and pepper to be added in the ratio of 2: 3. If the recipe is adjusted to make 8 servings, what is the ratio of the salt and pepper that must now be added?
উত্তর
2 : 3
৩১০৮৭
A company owns some land and buildings for which the following details are relevant: Cost of land Taka 50,000; cost of building Taka 100,000, estimated life of building 20 years, estimated residual value of building Taka 2000; estimated residual value of land Taka 50,000. The company uses the straight line depreciation method. Which is the correct annual depreciation charge for this asset?
উত্তর
Taka 4900
৩১০৮৮
Of the 50 students in a college , 32 are enrolled in psychology class and 37 are enrolled in logic. If 6 of the students did not enroll in either class, how many of the students are in only one of these two classes?
উত্তর
21
৩১০৮৯
The area of a field is 680 square feet. If the cost of fencing is Tk 50 per foot , then how much will it cost to fence the field?
উত্তর
Tk 8800
৩১০৯০
The average daily income of Mr. A and Mr. B is Tk. 350 , of Mr. B and Mr. C is Tk. 365 and of Mr. A and Mr. c is tk. 340. what is the weekly income of Mr. A if he works 5 days in a week?
উত্তর
Tk. 1,875