# Reasoning: Alphanumeric Series Questions Set 19

Directions (1-5): Study the following numbers and answer the following questions:
736 247 451 672 629 143

1. If first and last number of the above numbers are interchanged, then which among the following is the highest number?
736
247
451
629
None of these
Option D
629 = 926

2. Which of the following will be the second digit of the 4th number from top when they are arranged in descending order,after the first digit is changed to its next higher digit?
2
3
5
4
8
Option C
836 347 551 772 729 243 Then arranged them in descending order.

3. What is difference between the first digit of highest number and lowest number after the positions of first two digit in each number is reversed?
2
3
4
6
5
Option E
After changing the digits : 376 427 541 762 269 413 Difference = 7-2=5

4. Which of the following will be last digit of second lowest number after the positions of digit is reversed in each number?
7
6
2
9
None of these
Option B
637 742 154 276 926 341 Second lowest number= 276

5. Which of the following is the difference between highest number and the lowest number?
573
395
533
593
None of these
Option D
736 – 143 = 593

6. Directions (6-10): Study the following numbers and answer the following questions:
445 941 612 733 267 907

7. If all the numbers are written in reverse order , then what is the product of the second digit of highest number and first digit of lowest number?
4
6
8
2
None of these
Option B
544 149 216 337 762 709 Then, 6 * 1 = 6

8. What is the difference between first digit of highest number and second lowest number after the positions of first two digits in each number is reversed?
8
1
5
2
7
Option C
445 491 162 373 627 097 Then, 6 -1 = 5

9. What will be the addition of middle digits of all numbers?
17
18
15
16
20
Option B

10. What will be the quotient if we divide the second digit of highest number by the first digit of lowest number?
4
1
1.5
2.5
2
Option E
4 / 2 = 2

11. If one is subtracted to the first digit of every number and then first and second digit got interchanged then which among the following is the highest number?
941
612
907
733
267
Option A
345 841 512 633 167 807 Then digits got interchanged, 435 481 152 363 617 087