২৬০১১
If the price of an item is increased by 10% and then decreased by 10% , the net effect on the price of the item is _
উত্তর
a decrease of 1%
২৬০১২
Running at the same constant rate, 6 identical machines can produce a total of 270bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
উত্তর
1800
২৬০১৩
A train 120 meter long is traveling at a speed of 60 km/h. The time in which it will pass a passersby , waking at 6 km /h in the same direction is -
উত্তর
8 sec
২৬০১৫
A starts business with TK. 3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2:3. What is B's contribution in the capital?
উত্তর
TK. 9000
২৬০১৬
The average of two numbers is 62. If 2 is added to the smaller number, the ratio between the numbers becomes 1:2. The smaller number is -
উত্তর
40
২৬০১৭
At present , father's age is 4 times more than that of his son. 6 years ago father's age was 10 times more than of his son. What is their present age?
উত্তর
36 and 9 years
২৬০১৮
What is the smallest number that should be added to 4456 so that the sum is completely divisible by 6?
উত্তর
3
২৬০১৯
In the figure at the right end, PS is perpendicular to QR. IF PQ=PR and PS = 24, then QR=?
উত্তর
20
২৬০২০
A fruit seller had some apples. He sold 40% of he apples and still has 420 apples left. How many apples did he have initially?
উত্তর
700