The ratio of Pens and Pencils in a shop is 3 : 2 respectively . The average number of Pens and Pencils is 180. What is the number of Pencils in the shop?
P, Q, and R start a business. P invests 3 times as much as Q invests and Q invests 2/3 rd as much as R invests . Find the ratio of capitals of P, Q and R?
How many iron rods, each of length 7 m and diameter 2 cm can be made out of 0.88 m3 of iron?
A is three as old as B. C was twice -as old as A four years ago. In four years time, A will be 31. What are the present ages of B and C?
35 +125=17.88 then what will be the value of 80+65 =?
What will be simple interest for 1 year and 4 months on a sum of Tk. 25800 at the rate of 14% per annum?
An error 2% in excess is made white measuring the side of a square. The percentage of error in the calculated area of the square is:
A man took loan from a bank at the rate o f 12% p.a simple interest . After 3 years he had to pay Tk. 5400 interest only for the period. The principal amount borrowed by him was:
A boat covers a certain distance downstream in 1 hour, while it comes back in 1.5 hour. If the speed of the stream be 3 km/hr. What is the speed of the boat in still water?
Tk. 385 has been divided among A , B,C in such a way that A receive 2/9th of What B and C together receive . Then A's share is?
Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?
A boat can travel with a speed of 13 km /hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream .
In what time will the simple interest on Tk. 400 at 10% per annum be the same as the simple interest on TK. 1000 4 years at 4% per annum?
A car covers four successive 7 km distance at speeds of 10 km/hr, 20 km/hr, 30 km/hr and 60 km/hr , respectively . Its average speed over this distance is :
The total age of A and B is 12 years more than the total age of B and C .C is how many years younger than A?
The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
What would be the measure of the diagonal of a square shore area is equal to 578 cm2
The cost price of a table and a chair together is TK. 690. If the table costs 30% more than the chair, then find the cost price of the table and the chair respectively.
634×1313×22×?=30% of 520
In the question two equations numbered I and II are given . You have to solve both the equations and given answer.
A dishonest milkman professes to sell his milk at cost price but he mixes it with water and there by gains 25% . The percentage of water in the mixture is:
There are 3 green , 4 orange and 5 white color bulbs in a bag. If a bulb is picked at random, what is probability of having either a green or a white bulb?
A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?