Related Questions

Susan can type 10 pages in 5 minutes. Mary can type 5 pages in 10 minutes. Working together , how many pages can they type in 30 minutes ?
ক 15
খ 20
গ 25
ঘ 65
John, Jack, Joseph and Jordan participated in a running race. Only the winner finished the race in 10 minutes. Which two pieces of information can tell you who the winner was? (i) John finished the race in 16 minutes . (ii) Joseph finished the race earlier than Jack by 2 minutes. (iii) Jack finished the race later than Jordan by 4 minutes. (iv) Jordan finished the race earlier than John by 6 minutes. (v) John finished the race later than Joseph by minutes.
ক I and II
খ I and IV
গ II and III
ঘ II and V
A factory that employs 1000 assembly -in workers pays each of these workers at a rate of Tk. 5 per hour for the first 40 hours worked during a week and 1.5 times that rate for the hours worked in excess of 40 hours. whatis the total amount paid to the workers in a week in which 30% of the workers worked 20 hours, 50% worked 40 hours and the rest of the workers worked 50 hours?
ক 1,85,000
খ 1,58,12,5
গ 14547
ঘ 4752547
A can complete a certain work in 4 minutes, B in 5 minutes, C in 6 minutes, D in 10 minutes and E in 12 minutes. The average number of units of work completed by them per minute will be
ক 0.40
খ 0.16
গ 0.80
ঘ None of these
The ratio of the length to the breadth of a rectangular park is 3 :2 , if a man cycling along the boundary of the park at the speed minutes , then what is the area of the park?
ক 153600 m2
খ 154000 m2
গ 307400m2
ঘ None of these
The ratio between the length and the breadth of a rectangular park is 3: 2 if a man cycling along the boundary of the park at the speed of 20 km /hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?
ক 15,360
খ 153,600
গ 30,720
ঘ 307,200
The ratio between the length and the breadth of a rectangular park is 3 : x. If a man cycling along the boundary of the park at the speed of 20 km/hr completes on round in 8 minutes, then what would be the area of the park in square kilometer?
ক 15,360
খ 153,600
গ 30,720
ঘ 307,200
Ten fabrics of different colors are displayed on ten racks in a cloth store. The racks are placed one after another and numbered consecutively from one to ten. Each rack contains fabric of a single color. One fabric is green , two fabrics are brown , three fabrics are purple and remaining four fabrics are red. If a purple fabric is on rack two and red fabrics are on racks three and four , the green fabric must be on which of the following racks?
ক Five
খ Six
গ Seven
ঘ Eight
Susan traveled 114 miles in 2 hours. If she keeps ging at the same rate, how long will it take her to go the remaining 285 miles of her trip?
ক 5 hours
খ 3 hours
গ 7 hours
ঘ 4 hours
Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?
ক $$\frac{5}{{11}}$$
খ $$\frac{6}{{11}}$$
গ $$\frac{7}{{11}}$$
ঘ $$\frac{8}{{11}}$$

Next steps