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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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Filed Under: Number, Ranking and Time Sequence Test

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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Filed Under: Number, Ranking and Time Sequence Test

Q:

If the position of the first, sixth digits of the number 2796543018 are interchanged, similarly the positions of the the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?

A) 1	B) 7
C) 0	D) 8

Answer & Explanation Answer: A) 1

Explanation:

The new number formed is 4 3 0 1 8 2 7 9 6 5

The seventh digit from the left is 7, the 3rd digit from the left of 7 is 1

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Filed Under: Number, Ranking and Time Sequence Test

Q:

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

A) 5	B) 11
C) 9	D) 0

Answer & Explanation Answer: D) 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

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Filed Under: Number, Ranking and Time Sequence Test

Q:

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

A) 4	B) 5
C) 3	D) More than 5

Answer & Explanation Answer: C) 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

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Filed Under: Number, Ranking and Time Sequence Test

Q:

If $3 x + 7 = x^{2} + p = 7 x + 5$ , what is the value of P ?

A) 17/2	B) 25/3
C) 33/4	D) 41/5

Answer & Explanation Answer: A) 17/2

Explanation:

$3 x + 7 = 7 x + 5 = > 7 x - 3 x = 2 = > 4 x = 2 = > x = 2$

Now, $3 x + 7 = x^{2} + p = \frac{3}{2} + 7 = \frac{1}{4} + p = > p = \frac{17}{2}$

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Filed Under: Simplification

Q:

If 2 tables and 3 chairs cost Rs, 3500 and 3 tables and 2 chairs cost Rs. 4000, then how much does a table cost ?

A) 500	B) 1000
C) 1500	D) 2000

Answer & Explanation Answer: B) 1000

Explanation:

Let the cost of a table and that of a chair be Rs. x and Rs, y respectively.

Then, 2x + 3y = 3500 ...(i)

and 3x + 2y = 4000 .....(ii)

solving (i) and (ii) we get x = 1000, y = 500

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Filed Under: Simplification

Q:

A man invested Rs. 14,400 in Rs. 100 shares of a company at 20% premium. If his company declares 5% dividend at the end of the year, then how much does he get?

A) Rs.500	B) Rs.600
C) Rs.650	D) Rs.720

Answer & Explanation Answer: B) Rs.600

Explanation:

Number of shares = $(\frac{14400}{120})$ =120.

Face value = Rs.(100 x 120) = Rs.12000.

Annual income = Rs (5/100*12000) = Rs. 600

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Filed Under: Stocks and Shares

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