W = 10th from the left
R = 4th from the right = (30 - 4 + 1= ) 27th from left
No of boys between R and W = (27 - 10) - 1 = 16
The given numbers are :
382 473 568 728 847 629
When changes are made as given in the question, numbers become as follows :
238 347 856 872 784 962
Again now, find out the difference between the numbers given in options as given below:
(1) 473 - 382 => 347 - 238 = 109
(2) 629 - 728 => 962 - 872 = 90
(3) 629 - 847 => 962 - 784 = 178
(4) 728 - 847 => 872 - 784 = 88
Total days from 25th June to 15th August = 5 + 31 + 15 = 51 days
51/7 = 7 weeks and 2 days
August 15 = Wednesday + 2 = Friday
Number of students behind Manoj in rank = (31 - 7) = 24.
So, Manoj is 25th from the bottom.
Number of students behind Satya in rank = (31 - 11) = 20.
So, Satya is 21st from the bottom.
If the year is not a leap year, then last day is same as first day
The 2nd, 4th, 7th digits are 3, 1, 6 respectively.
The perfect square of a two-digit odd number, formed using these digits, is 361
and 361 = 19^2
Here the given numbers are
567 284 696 865 738
When 1 is added to the last digit of each of the above numbers, it becomes as follows :
568 285 697 866 739
After reversing the order of digits , we get
865 582 796 668 937
Now , when the numbers are arranged in ascending order their order becomes as follows:
582 668 796 865 937
Hence , the fourth number is 865 (a number formed by 567). Therefore option(1) is correct answer.
Initialy from left 7th = kumar
from right 9th = pawan
Interchange kumar = 11th from left, from right kumar = 9th;
11+8 = 19;
8 is 1,2,3,4,5,6,7(pawan),8,9,10,11(kumar),12,13,14,15,16,17,18,19;
simply count the 9th place from right we will get total as 19.
The new numbers formed are 571, 352, 693, 814, 729
The second highest number is 729, its first digit is 7
There are 27 numbers in the given sequence
So, middle number = 14th number = 9
Clearly, the third number to the left of this 9 is 4
Any number divisible by 9 is also divisible by 3.
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