Number, Ranking and Time Sequence Test Questions and Answers

Answer: D

Correct answer: 0

Interchanging the 1st with the 6th, the 2nd with the 7th and so on turns 5109238674 into 3867451092. Reading off the place the question asks for gives 0.

Answer: D

According to the question, after the position of the first and third digit interchanged new numbers are
789, 415, 856, 784, 404, 962

962, 856, 789, 784, 404, 415
Here the second lowest number is 404 and the last digit of it is '4'.

Answer: D

Correct answer: 34

Sanjeev is counted from both ends, so the class holds \[ 7 + 28 - 1 = \mathbf{34} \] students.

Answer: C

Correct answer: 25

P is 14th from the left, four boys stand between him and Q, and Q is 7th from the right: \[ 14 + 4 + 7 = \mathbf{25} \]

Answer: B

Correct answer: 16

R is 4th from the right of thirty, so he is \( 30-4+1 = 27 \)th from the left. Between the 10th and the 27th place there are \[ 27 - 10 - 1 = \mathbf{16} \] boys.

Answer: C

Correct answer: Wednesday

If the day before yesterday was Saturday, yesterday was Sunday and today is Monday. Tomorrow is Tuesday and the day after tomorrow Wednesday.

Answer: D

Correct answer: 6

The series counts down to 1 and then starts again one lower each time: 9 to 1, then 8 to 1, then 7 to 1. The next block therefore begins at 6.

Answer: A

Correct answer: 10

Arranged in ascending order the digits of 25673948 read 2, 3, 4, 5, 6, 7, 8, 9. The fourth from the right is 6 and the third from the left is 4, so the sum is \[ 6 + 4 = \mathbf{10} \]

Answer: A

Correct answer: Friday

From 25 June to 15 August is \( 5 + 31 + 15 = 51 \) days. Since \( 51 = 49 + 2 \), the day moves on by two from Wednesday, giving Friday.

Answer: D

Correct answer: none

The second, fourth and seventh digits of 739142658 are 3, 1 and 6. Arranged as 361 they do make \( 19^2 \), so such a number can be formed - but the digit the question then asks for is not among the choices offered, so the answer is none.