Number, Ranking and Time Sequence Test Questions and Answers

Q: How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number? 8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

Correct answer: 4Running through the row and keeping only those even numbers that have an even number immediately before them and an odd number immediately after them, four qualify; the rest fail on one side or the other.

Q: In a row of boys, If A who is 10th from the left and B who is 9th from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row ?

Correct answer: 23After the exchange A stands where B stood, and A is then 15th from the left - so B was 15th from the left. B is also 9th from the right, so the row holds \[ 15 + 9 - 1 = \mathbf{23} \] boys.

Q: In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ?? 2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

Correct answer: 3We want a 7 with a 1 on one side and a 3 on the other. Three such groups occur - the 1 7 3 at the fifth to seventh places, the 1 7 3 at the thirteenth to fifteenth, and the 1 7 3 at the twenty-third to twenty-fifth. So the answer is 3.

Q: Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row ?

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

Q: Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row?

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

Q: In a queue, Amrita is 10th from the front while Mukul is 25th from behind and Mamta is just in the middle of the two. If there were 50 persons in the queue, what position does Mamta occupy from the front?

Correct answer: 18thMukul is 25th from behind in a queue of 50, so he is \( 50 - 25 + 1 = 26 \)th from the front. Mamta stands midway between Amrita at 10 and Mukul at 26: \[ \frac{10 + 26}{2} = \mathbf{18} \text{th from the front} \]

Q: Sam ranked 9th from the top and 38th from the bottom in a class. How many students are there in the class ?

Correct answer: 46Sam is counted from both ends, so the class holds \[ 9 + 38 - 1 = \mathbf{46} \] students.

Q: In a row of trucks, Ashok is at 17th position from the left end. Bharat is 19 places to the right from Ashok and is at the exact centre of the row. How many trucks are there to the right of Ashok truck?

Correct answer: 54Bharat stands 19 places right of Ashok’s 17th place, so Bharat is 36th from the left. Being at the exact centre, he has as many trucks on each side, so the row holds \( 2 \times 36 - 1 = 71 \). To Ashok’s right there are then \[ 71 - 17 = \mathbf{54} \]

Q: If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month?

Correct answer: MondayIf the 3rd is a Tuesday, the 27th is 24 days later, and \( 24 = 21 + 3 \), so it falls three days on from Tuesday - a Friday. The fourth day before it is the 23rd, which is four days back from Friday: Monday.

Q: In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W?

Correct answer: 16R 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.

Important Instructions

71.

How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?

8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

Answer: C

Correct answer: 4

Running through the row and keeping only those even numbers that have an even number immediately before them and an odd number immediately after them, four qualify; the rest fail on one side or the other.

Discuss in Forum

72.

In a row of boys, If A who is 10th from the left and B who is 9th from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row ?

A.23
B.31
C.27
D.28

Answer: A

Correct answer: 23

After the exchange A stands where B stood, and A is then 15th from the left - so B was 15th from the left. B is also 9th from the right, so the row holds \[ 15 + 9 - 1 = \mathbf{23} \] boys.

Discuss in Forum

73.

In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ??

2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

A.4
B.5
C.3
D.More than 5

Answer: C

Correct answer: 3

We want a 7 with a 1 on one side and a 3 on the other. Three such groups occur - the 1 7 3 at the fifth to seventh places, the 1 7 3 at the thirteenth to fifteenth, and the 1 7 3 at the twenty-third to twenty-fifth. So the answer is 3.

Discuss in Forum

74.

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row ?

A.26
B.24
C.25
D.22

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: \[ 14 + 4 + 7 = \mathbf{25} \]

Discuss in Forum

75.

Some boys are sitting in a row. P is sitting fourteenth from the left and Q is seventh from the right. If there are four boys between P and Q, how many boys are there in the row?

A.25
B.23
C.21
D.19

Answer: A

Correct answer: 25

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

Discuss in Forum

76.

In a queue, Amrita is 10th from the front while Mukul is 25th from behind and Mamta is just in the middle of the two. If there were 50 persons in the queue, what position does Mamta occupy from the front?

A.20th
B.19th
C.18th
D.17th

Answer: C

Correct answer: 18th

Mukul is 25th from behind in a queue of 50, so he is \( 50 - 25 + 1 = 26 \)th from the front. Mamta stands midway between Amrita at 10 and Mukul at 26: \[ \frac{10 + 26}{2} = \mathbf{18} \text{th from the front} \]

Discuss in Forum

77.

Sam ranked 9th from the top and 38th from the bottom in a class. How many students are there in the class ?

A.45
B.47
C.46
D.48

Answer: C

Correct answer: 46

Sam is counted from both ends, so the class holds \[ 9 + 38 - 1 = \mathbf{46} \] students.

Discuss in Forum

78.

In a row of trucks, Ashok is at 17th position from the left end. Bharat is 19 places to the right from Ashok and is at the exact centre of the row. How many trucks are there to the right of Ashok truck?

A.53
B.54
C.52
D.19

Answer: B

Correct answer: 54

Bharat stands 19 places right of Ashok’s 17th place, so Bharat is 36th from the left. Being at the exact centre, he has as many trucks on each side, so the row holds \( 2 \times 36 - 1 = 71 \). To Ashok’s right there are then \[ 71 - 17 = \mathbf{54} \]

Discuss in Forum

79.

If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month?

A.Tuesday
B.Monday
C.Wednesday
D.Sunday

Answer: B

Correct answer: Monday

If the 3rd is a Tuesday, the 27th is 24 days later, and \( 24 = 21 + 3 \), so it falls three days on from Tuesday - a Friday. The fourth day before it is the 23rd, which is four days back from Friday: Monday.

Discuss in Forum

80.

In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W?

A.15
B.16
C.17
D.can't be determined

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.

Discuss in Forum

Loading…

Topics

Other Subjects

Tags: Number, Ranking and Time Sequence Test Questions and Answers || Number, Ranking and Time Sequence Test MCQ Questions and Answers || Number, Ranking and Time Sequence Test GK Questions and Answers || Number, Ranking and Time Sequence Test GK MCQ Questions || Number, Ranking and Time Sequence Test Multiple Choice Questions and Answers || Number, Ranking and Time Sequence Test GK || GK on Number, Ranking and Time Sequence Test || Reasoning Questions and Answers || Reasoning MCQ Questions and Answers || Reasoning GK Questions and Answers || GK on Reasoning

Number, Ranking and Time Sequence Test Questions and Answers

Important Instructions

Topics

Other Subjects

About Us

Stay informed about all important Dates & Notifications