In a 100m race, Jami beats Rony by 4 sec. If Jami allowed Rony to start 16m ahead of him, then Jami and Rony reach the finishing point at the same time. How long does Jami take to run the 100m race?
Goni went to market with certain amount of money. With this money he can buy either 50 apples or 40 pears. He retains 10% of the money for bus fare and buys 20 pears. How many apples can be buy?
60% of the students of a college are male. 60% of the male in the college speak French and 40% of the students of the college speak French. What percent of the female in the college do not speak French?
Three athletes X, Y and Z start running around a circular track of length 60m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s, and 9 m/s respectively. After how long will they meet for the first time after they started running?
A garments factory employs 3 categories of workers K, M and N. The efficiency of the 3 categories of workers to do a specific task is in the ratio of 3 : 5 : 6 respectively and the factory employs 15 of category K, 12 of category M and 3 of category N. If the total wages paid to the entire group of 30 workers is Tk. 492 per hour, what will be the wages earned by a category N worker for an 8-hour day?
A rectangular field of 200m by 120m has two roads running along its center, one along the length and the other along the width. If the width of the roads is 5m, what is the area covered by the two roads?
Among the 120 students of a class, numbered 1 to 120, all even numbered students opt for Bangla, whose numbers are divisible by 5 opt for English and those numbers are divisible by 7 opt for Math. How many opt for none of these three subjects?
A shopkeeper makes a loss of 12% by selling an item at 80% of its marked price. What will be the percent profit made by the shopkeeper if he sells the item at 95% of its marked price?
The arithmetic mean of the 5 consecutive integers starting with 'p' is 'q'. What is the arithmetic mean of 9 consecutive integers that start with (p+2)?
8% of people eligible to vote are between 18 and 21. In an election 85% of those (between 18 and 21) actually voted. What is the percentage of those voters in terms of total eligible voters?
If x+2y=4 and x/4=2 then y is equal to -
3/2
1
1/2
2
A worker is paid Tk. d an hour for the first 8 hours she works in a day. For every hour after the first 8 hours, she is paid Tk. c an hour. If she works 12 hours in one day, what is her average hourly wage for that day?
The cost of a share in Ace enterprises was Tk. D on Jan. 1, 2009 .One year later the share increased to Tk. Q. The fraction by which the cost of share has increased in the year is -
If both 132and 33 are factors of the number 43×62×z×811 then what is the smallest possible value of z?
The area of a triangle whose sides are of lengths 12 cms, 5 cms, and 13 cms is :
The price of a rice has increased by 60%. In order to restore to the original price, the new price must be reduced by :
The average age of group of 10 students is 15 years. When 5 new students joined the group, the average age rise by 1 year. The average age (in years) of the new student is :
18 years
17 years
16 years
None of these
The value of (-11)+(-12)+(+13)+ --------(-110) is :
-5050
-6050
-7070
The ratio of the radii of two circles is 1 : 3. The ratio of their areas is :
If Sakib drove at 60 miles per hour for 2 hours, how far did he go in the last 20 minutes?