১১১২১
In a sequence of 8 consecutive integers, how much greater is the sum of the last four integers than the sum of the first four integers?
উত্তর
16
১১১২৩
The average wage of a worker during a fortnight comprising 15 consecutive working days was Taka 90 per day. During the first 7 days, his average wage was Taka 87 per day and the average wage during the last 7 days was Taka 92 per day. What was his wage on the 8th day?
উত্তর
97
১১১২৪
A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid Taka 1680, how many hours of overtime did he work?
উত্তর
8
১১১২৫
The length of a rectangle is twice than that of its breadth. If the length of the rectangle is increased by 10%, while its breadth is decreased by 10% what is the percentage change in the perimeter?
উত্তর
3(1/3) %
১১১২৬
A can complete a project in 20 days and B can complete the same project in 30 days. A and B start working on the project together and A quits 10 days before the project is expected to be completed. How many days in total will the project take to complete?
উত্তর
18 days
১১১২৭
Halim purchased brand A pen for Taka 200 each and brand B pen for Taka 100 each. If he purchased a total of 8 of these pens for Taka 1,200 how many pens of brand A did he purchased?
উত্তর
6
১১১২৮
Ahad buys 80 kg of sugar at Taka 40 per kg and 40 kg rice at Taka 50 per kg. At what price approximately in Taka per kg should he sell to make a profit of 10% on cost?
উত্তর
47.7
১১১২৯
Find the ratio of purchase price to sell price if there is loss of 12.5%?
উত্তর
8 : 7
১১১৩০
Find the area of a right angled triangle whose hypotenuse is 10 cm and base 8 m.
উত্তর
24 sq.cm