Advertisements
Advertisements
प्रश्न
Suppose, you have two shorts, one is black and the other one is blue; three shirts which are in white, blue and red. You again wish to make different combinations, but you always want to make sure that the shorts and shirt that you wear are of different colours. List and check how many combinations are possible now
Advertisements
उत्तर
We have given two shorts which are black and blue in colour.
Take it as T black and T blue.
Also, we have 3 shirts, coloured white, blue and red denoted by S white, S blue and S red.
Now fix T black and then T blue the different combinations are 
Thus we get a total of 6 combinations as
Black short and White shirt
Black short and Blue shirt
Black short and Red shirt
Blue short and White shirt
Blue short and Blue shirt
Blue short and Red shirt.
But it is given short and the shirt is of different colours.
We give up Blue short and Blue shirt combination.
So we have 5 different combinations.
APPEARS IN
संबंधित प्रश्न
You have two red and two blue blocks. How many different towers can you build that are four blocks high using these blocks? List all the possibilities
Find the number of dots in the tenth figure of the following pattern.
(i) Draw the next pattern
(ii) Prepare a table for the number of dots used for each pattern
(iii) Explain the pattern
(iv) Find the number of dots in the 25th pattern
Fill in the boxes 1, 2 and 3
Fill in the boxes 1, 2 and 3
Can you find the mistake? Explain
ABC, ACB, BCA, BAA, CAB, CBA
The following information shows the grades of science and maths of 30 students of class 5.
Answer the following question.
a. How many students got equal grades in both subjects.
b. How many students got a higher grade in science than in maths?
c. Which was the most common grade in science?
Write all possible three digit numbers that can be formed without repeating these numbers? how many numbers can be formed?
You have to choose a tiffin and a drink from the given menu of a hotel. List the possible combinations. How many combinations are possible?
| Tiffin | Drink |
| Idly | Tea |
| Poori | Coffee |
| Dosai | Milk |
| Pongal |
Kavin has four cards 
What is the largest 4-digit odd number that can be made without repeating the numbers?
