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- Question
If it is possible to make a number which is the square of a two-digit odd number using the second, the fourth and the sixth digits of the number 93217648 and using each only once, which of the following is that two-digit odd number?
Options- A. 17
- B. 19
- C. 15
- D. 21
- Correct Answer
- 19
ExplanationSecond, fourth and the sixth digits of the number are 3, 1 and 6. Using these digits only once we can make 361, which is a perfect square number. Hence, our answer is 19 x 19 = 361
- 1. In the number 76534218 each digit is replaced next digit, ie '1' is replaced by '2' , '2' is replaced by '3' and so on and then the digits are arranged in ascending order from left to right, which digit will be fifth from the left end?
Options- A. 6
- B. 5
- C. 7
- D. 4 Discuss
- 2. There are five books of different thickness. A is thicker than C and B is thicker than D. E is not as thick as B, but is thicker than C. D is not as thick as C. Which is the thinnest book?
Options- A. E
- B. D
- C. B
- D. C Discuss
- 3. In the following question, select the odd number pair from the given alternatives.
Options- A. 4 : 18
- B. 7 : 51
- C. 9 : 83
- D. 6 : 34 Discuss
- 4. If it is possible to form a number with the second, the fifth and the eighth digits of the number 31549786, which is the perfect square of a two - digit even number, which of the following will be the second digit of that even number ?
Options- A. 1
- B. 4
- C. 6
- D. None of these Discuss
- 5. 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
Options- A. 3
- B. 1
- C. 2
- D. 7 Discuss
- 6. The weights of 4 boxes are 20, 30, 50 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?
Options- A. 170
- B. 160
- C. 150
- D. 120 Discuss
- 7. Nitin correctly remembers that Nidhi's birthday is before Friday but after Tuesday. Dheeraj correctly remembers that Nidhi's birthday is after Wednesday but before Saturday. On which of the following days does Nidhi's birthday definitely fall?
Options- A. Monday
- B. Tuesday
- C. Wednesday
- D. Thursday Discuss
- 8. What should come next in the following number series? 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1
Options- A. 9
- B. 8
- C. 7
- D. 6 Discuss
- 9. 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?
Options- A. 53
- B. 54
- C. 52
- D. 19 Discuss
- 10. A, B, C,D and E are standing in a row. D is the immediate neighbour of A and E. B is at the right of E and C is in the extreme right. Who is fourth to the left of C?
Options- A. B
- B. E
- C. C
- D. A Discuss
Time Sequence problems
Search Results
Correct Answer: 6
Explanation:
Given Number : 7 6 5 3 4 2 1 8
New Number : 8 7 6 4 5 3 2 9
Ascending Order : 2 3 4 5 6 7 8 9
Fifth digit in the above ascending order arrangement is '6' . Hence option(1) is the correct answer.
Correct Answer: D
Explanation:
A > C -----(i), B > D -----(ii), E < B --------(iii), E > C ---------(iv), C > D ---------(v)
from (i) and (v), we get A > C > D ---------(I)
from (iii) and (iv), we get B > E > C --------(II)
From (I) and (II) , it is clear that 'D' is the thinnest.
Correct Answer: 6 : 34
Correct Answer: 4
Explanation:
The 2nd, 5th and 8th digits of the number 31549786 are 1, 9 and 6 respectively.
The perfect square of a two - digit even number, formed using the digits 1, 9 and 6 is 196.
And, 14 x 14 = 196
So, the required even number is 14. Clearly, its second digit is 4.
Hence, the answer is (b).
Correct Answer: 3
Explanation:
5th to the right of 12th digit from the right end means (12 - 5 = ) 7th digit from the right.ie 3.
Correct Answer: 160
Correct Answer: Thursday
Explanation:
According to Nitin, Nidhi's birthday falls on Wednesday or Thursday ---------(i)
According to Dheeraj , Nidhi's birthday falls on Thursday or Friday ---------(ii)
From (i) and (ii), Nidhi's birthday falls on Thursday.
Correct Answer: 6
Explanation:
Here the series is:
987654321, 87654321, 7654321, 65...
Correct Answer: 54
Correct Answer: A
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