30% apples out of 450 are rotten . How many apples are in good condition?
The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son?
The average of two numbers is 6.5 and square root of their product is 6 . What are the number?
a is greater than b by 2 and b is greater than c by 10 . If a+ b+ c =130 , then (b+c) -a =?
The least number which should be added 2497 so that the sum is exactly divisible 5,6,4 and 3 is -
The face value of 8 in the number 458926 is -
The total cost of flooring a room at Tk. 8.50 per square metre is TK. 510. If the length the room is 8 m , its breadth is -
A can do 3 piece of work in 4 hours, B and C together in 3 hours , and A and C together in 2 hours. How long will B alone take to do it?
A speed of 14 meters per second is the same as-
Oranges are bought at 5 for Tk. 10 and sold at 6 for Tk. 15 . The gain percent is -
By selling an article for Tk. 100 a man gains Tk. 15 .Then, his gain % is -
(0.04)2÷((0.008)×(0.2)6=(0.2)?
Two numbers differ by 5. If their product is 336, then the sum of the two numbers is -
Evaluate 248+52+144
(0.75×4.4×2.4)÷0.6=?
48.95-32 .006 =?
P and Q started a business in the ratio of 2:3 . After 1 year P left the business but Q continues. After 2 years he had the profit of TK. 26000. What is the profit of Q?
How much time will it take for an amount of Tk 450 to yield Tk. 81 as interest at 4.5% per annum of simple interest?
A Person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
The ratio 5 :4 expressed as a percent equals
The average of 6 numbers is 7. The average of three numbers of them is 5. What will be the average of remaining numbers?
In a group of 52 persons , 16 drink tea but not coffee and 33 drink tea. How many drink coffee but not tea?
The least prime number is .
The ratio of boys and girls in a club is 3 : 2 . Which of the following could be the actual number of members ?
If 8 men can reap 801 hectares in 24 days, then dhow many hectares can 36 men reap in 30 days?