A number when divided by divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor ?
10 cats caught 10 rats in 10 seconds. How many cats are required to catch 100 rats in 100 seconds ?
If A:B = 3:4, C:B= 5:4, C:D=10:9 then A:B:C:D is -
A fruit seller had some apples. He sold 40% apples and still has 420 apples left. Originally he had :
What percentage of numbers from 1 to 70 has 1 or 9 in the unit digits ?
A beg contains 2 red, 3 green and 2 blue balls. If two balls are drawn at random, what is the probability that none of the balls drawn is blue ?
In a group of 60 people like Coca cola and 42 people like Pepsi Cola. Each person likes at least one of the two drinks. How many of these people like both Coca Cola and Pepsi Cola ?
How many triangle are there in the figure below
The equation of the given curve is:
The number of girls in a class is 5 times the number of boys. Which of the following can not be the total number of children in the class?
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is the number?
The difference between the cost price and sale price of an article is Tk. 240. If the profit is 20%, the selling price is :
The sum of two numbers is 25 and their difference is 13. find their product.
In what ratio must tea at Tk. 62 per kg be mixed with tea at Tk. 72 per kg so that the mixture must be worth Tk. 64.50 per kg?
The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is :
If a train runs at 40 kmph, it reaches its destination late by 11 minutes but if it runs at 50 kmph, it is late by 5 minutes only. The correct time for the train to complete its journey is :
Every 3 minutes, 4 liters of water are poured into a 2,000, liter tank. After 2 hours, what percent of the tank is full?
if y/x = 1/3 and x + 2y =10, then x is-
Ten years ago, A was half of B in age. If the ratio of their present age is 3 : 4, what will be the total of their present ages?
The least number by which 294 must be multiplied to make it a perfect square, is :