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
Answer: D
Correct answer: 0
Reversed, the series reads 13, 11, 5, 0, 1, 2, 6, 4, 8, 3, 0, 7, 9, 3, 7. The seventh number from the left is 6, and counting four places to its right lands on the eleventh, 0.
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Vishal is 24th from either end of the row of boys ? How many boys are there in the row ?
Answer: D
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.
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A bus for Shiridi leaves after every fifty two minutes from a bus stand. An enquiry officer told a passenger that the bus had already left sixteen minutes ago and the next bus will leave at 08:15 p.m. At what time did the enquiry officer give the information to the passenger?
Answer: C
Correct answer: 07:39 p.m
Buses leave every 52 minutes, so the one before the 8:15 bus left at \( 8{:}15 - 52\text{ min} = 7{:}23 \). That bus had gone sixteen minutes earlier, which puts the conversation at \[ 7{:}23 + 16\text{ min} = \mathbf{7{:}39\ p.m.} \]
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In a class, seven students are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle ?
Answer: A
Correct answer: Q
Taking the conditions in turn: N, O, P in that order; then P, Q, R; then R, S, T. Joining them gives the single row N O P Q R S T, and the middle of seven is the fourth place - Q.
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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?
Answer: D
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.
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Six friends A, B, C, D, E and F joined an institute in the year 1993 but on different days. Only E has joined after C and D. C joined immediately before A and immediately after B. F is not the first or the last person to join. D will not be in any corner.
Who is the first person joining the Institute?
Answer: D
Correct answer: B
E alone joined after C and D, so E was last. B, C and A joined in that order without a break, and neither D nor F could take a corner place, which leaves only one arrangement: B, C, A, then D and F, then E. So B joined first.
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If day after tomorrow is saturday, what day was 3 days before yesterday ?
Answer: B
Correct answer: sunday
If the day after tomorrow is Saturday, tomorrow is Friday and today is Thursday, so yesterday was Wednesday. Three days before Wednesday is Sunday.
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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
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.
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In a row of people Manu is 7th from bottom end of row. Shrey is 10 ranks above Manu. If Shrey is 8th from top end, then how many people are there in this row?
Answer: D
Correct answer: 24
Shrey is 8th from the top and Manu ten ranks below him, so Manu is 18th from the top. Manu is also 7th from the bottom, so the row holds \[ 18 + 7 - 1 = \mathbf{24} \] people.
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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?
Answer: D
Correct answer: A
D stands between A and E, B is to E’s right and C at the extreme right, which fixes the row as A, D, E, B, C. Counting four places to the left of C brings us to A.
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