Number, Ranking and Time Sequence Test Questions

Q:

In a class of 50 students M is eighth from top. H is 20th from bottom. How many students are there between M and H?

A) 22 B) 23
C) 24 D) can't be determined
 
Answer & Explanation Answer: A) 22

Explanation:

M is 8th from the top.

 

H is (50 - 20 + 1 =) 31 st from the top.

  Number of students between M and H = (31 - 8- 1=)22

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42 13058
Q:

517  325  639  841  792

What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?

A) 8 B) 2
C) 7 D) 9
 
Answer & Explanation Answer: C) 7

Explanation:

The new numbers formed are 571, 352, 693, 814, 729

The second highest number is 729, its first digit is 7

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18 12764
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?

A) 15 B) 16
C) 17 D) can't be determined
 
Answer & Explanation Answer: B) 16

Explanation:

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

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28 12745
Q:

The positions of the first and sixth digits in the number 5109238674 are interchanged. Similarly the positions of the second and the seventh digits are interchanged and so on . which of the following will be the third digit from the right end after the after the rearrangement?

A) 9 B) 0
C) 6 D) 3
 
Answer & Explanation Answer: B) 0

Explanation:

There are 10 digits. Now, third digit from the right means (10-3+1 = ) 8th digit from the left.  But, from the question , third  and eighth digits are interchanged. Hence, the required digit is the third digit of the given number, ie 0.

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43 11445
Q:

If tuesday falls on 4th of month, then which day will fall three days after the 24th ?

A) monday B) tuesday
C) friday D) thursday
 
Answer & Explanation Answer: D) thursday

Explanation:

The 4th day is tuesday, then 11, 18, 25th also tuesdays

Then 3 days after 24th is 27th, which is thursday

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60 10829
Q:

Which of the following is fifth to the right of the twelth digit from the right end of the below arrangement?

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

A) 3 B) 1
C) 2 D) 7
 
Answer & Explanation Answer: A) 3

Explanation:

5th to the right of 12th digit from the right end means (12 - 5 = ) 7th digit from the right.ie 3.

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12 10653
Q:

In a row of boys, Haran is eleventh from the left and manoj is seventeenth form the right. When they exchange their places than Haran will be thirteenth from the left. Which of the following will be the new position of Manoj from the right ?

A) 11 B) 19
C) 13 D) 17
 
Answer & Explanation Answer: B) 19

Explanation:

exp.

Here total number of boys in the row = 11 + 19 = 13 + 17 = 30

Here after exchanging the places of Haran & Manoj 

=> Manoj replaces Harans place of 11th from left 

But in the question he asked Manoj's place from right = 30 - 11 = 19th place.

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31 10171
Q:

If it is possible to form a number which is a perfect square of a two digit odd number using the second, fourth, seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?

A) 4 B) 7
C) 3 D) none
 
Answer & Explanation Answer: D) none

Explanation:

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

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29 10044