Observe the following patterns. Then find the sum of 1 + 3 + 5 + 7 + 9 + ... + 19.Post Your Answer
The table below shows the prices of different numbers of oranges at a fruit stand.
Orange prices
|
Number of oranges |
Price in Rs |
|
1 |
7 |
|
3 |
21 |
|
5 |
35 |
|
7 |
49 |
|
9 |
? |
If the pattern in the table continues, what will be the price of 9 oranges ?
(A) Rs 50
(B) Rs 63
(C) Rs 70
(D) Rs 56
Post Your Answer
Ans 2:
Class : Class 3
OPTION: B
7
3x4 =12 . 24 IS DIVISIBLE BY 12
SO X=4
Y= X-1 = 4-1=3
2X3=6. 24 IS DIVISIBLE BY 6
SO X+Y = 4+3=7
Ans 4:
Class : Class 4
The correct answer provided for given problem is 6 not 7. But how they have calculated it is not clear. If you take sum of two consecutive numbers it should be an odd number. So 6 also doent seem to be a correct answer.
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