Discussion
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- Question
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
- Correct Answer
- 4
ExplanationThe 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).
- 1. 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
- 2. If the following series is written in the reverse order, which number will be fourth to the right of the seventh number from the left? 7, 3, 9, 7, 0, 3, 8, 4, 6, 2, 1, 0, 5, 11, 13
Options- A. 5
- B. 11
- C. 9
- D. 0 Discuss
- 3. 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
Options- A. 4
- B. 5
- C. 3
- D. More than 5 Discuss
- 4. Vishal is 24th from either end of the row of boys ? How many boys are there in the row ?
Options- A. 48
- B. 49
- C. 46
- D. 47 Discuss
- 5. The priest told the devotee, "The temple bell is rung at regular intervals of 45 minutes. The last bell was rung five minutes ago. The Next bell is due to be rung at 7:45am". At what time did the priest give this information to the devotee?
Options- A. 7.40 am
- B. 7.05 am
- C. 7.00 am
- D. 6.55 am Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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 Discuss
- 10. 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
Time Sequence problems
Search Results
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: 0
Explanation:
The given series when written in reverse order becomes:
13, 11, 5, 0, 1, 2, 6, 4, 8, 3, 0, 7, 9, 3, 7
The seventh number from the left is 6, the fourth number to the right of 6 is 0
Correct Answer: 3
Explanation:
3 1 7 3 7
3 1 7 3 8
7 1 7 3 9
At these places 1, 7, 3 appeared together
Correct Answer: 47
Explanation:
Given that Vishal is 24th from either end of the row i.e from two sides
1 2 3 4 5 . . . . . .24 23 22 21 20 . . . . . 5 4 3 2 1
Here before Vishal there are 23 members and after Vishal there are 23 members
= 23+1+23 --> 47 members in the row.
Correct Answer: 7.05 am
Explanation:
Clearly, the last bell rang 45 minutes before 7.45 am, i.e at 7.00 am. But it happened five minutes before the priest gave the information to the devotee. So, the information was given at 7.05 am
Correct Answer: 6 : 34
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
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: 19
Explanation:
Second, 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
Correct Answer: 160
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