Mental Ability - Number, Ranking & Time Sequence Questions and Answers

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Q31
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3 ?
  • A Two
  • B Four
  • C Five
  • D Six
Answer: Option B
Q32
A number is greater than 3 but less than 8. Also is greater than 6 but less than 10. The number is
  • A 5
  • B 6
  • C 7
  • D 8
Answer: Option C
Explanation: According to first condition, the number is greater than 3 but less than 8. Such numbers are 4, 5, 6, 7. According to the second condition, the number is greater than 6 but less than 10.. Such numbers are 7, 8, 9. Clearly, the required number i the number satisfying both the above conditions I.E., 7.
Q33
In a row of trees, one tree is fifth from either end of the row. how many trees are there in the row ?
  • A 8
  • B 9
  • C 10
  • D 11
Answer: Option B
Explanation: Clearly, number f trees in the row = (4 + 1 + 4) = 9.
Q34
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 be 50 persons in the queue, What position does Mamta occupy from the front ?
  • A 20th
  • B 19th
  • C 18th
  • D 17th
Answer: Option C
Q35
Raman ranks sixteenth from the top and forty ninth from the bottom in a class. How many students are there in the class ?
  • A 64
  • B 65
  • C 66
  • D Cannot be determined
Answer: Option A
Explanation: Clearly, number of students in the class = (15 + 1 + 48) = 64.
Q36
Sanjeev ranks seventh from the top and twenty eighth from the bottom in a class. How many students are there in the class ?
  • A 37
  • B 36
  • C 35
  • D 34
Answer: Option D
Q37
If Atul finds that he is twelfth from the right in a line of boys and fourth from the left,  how many boys should be added to the line such that there are 28 boys in the line /
  • A 12
  • B 13
  • C 14
  • D 20
Answer: Option B
Q38
Manish ranked sixteenth from the top and twenty ninth from the bottom among those who passed as examination. Six boys did not participte in the competition and five failed in it. How many boys were there in the class ?
  • A 40
  • B 44
  • C 50
  • D 55
Answer: Option D
Q39
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: Option A
Q40
Arun ranks twelfth in a class of forty-six. What will be her rank from the last ?
  • A 33
  • B 34
  • C 35
  • D 37
Answer: Option C
Explanation: Number of students behind Aruna in rank = (46 - 12) = 34 So, Aruna is 35th from the last.

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