Question
If A and B are mutually exclusive, the general addition
rule is:Solution
The correct answer is D
In a bag full of pencils, 3/4 of the pencils were colored pencils, and 8/15 of the colored pencils were red. If there were 72 red pencils in the bag, w...
What is the place value of 3 in 3678921410.
1. 3 Γ104
2. 3 Γ107
3. 3 Γ105
4. 3 Γ109
325 mangoes are distributed among some boys and girls who are 60 in numbers. Each boys gets five mangoes and each girls gets six. The number of boys is :
- When a number is divided by 31, the remainder is 28. Find the remainder when twice the number is divided by 31.
Find the number which is nearest to 457 and is exactly divisible by 11.
Let x represent the largest number that can divide the numbers 603, 1698, and 1041, leaving the same remainder in each case. Calculate the value of 2xοΏ½...
Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20 then the first number is
(5.53 β 4.07) 2/(4.07 β 3.15)(3.15 β 5.53) + (4.07 β 5.53) 2/(3.15 β 5.53)(5.53 β 4.07) + (3.15 β 5.53) 2
- Determine the value that must be subtracted from 72 and 60 to make the resulting numbers in the ratio 3:2.
In a certain pond, there are 60 more crabs than fish. Unfortunately, 20% of the crabs have perished. Additionally, the pond has welcomed 80 new fish. As...
