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Q:

How many gold medal have been won by India in the Olympics so far

A) 4	B) 6
C) 8	D) 10

Answer & Explanation Answer: C) 8

Explanation:

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Filed Under: Sports

Q:

In a row of boys, If A who is 10th from the left and B who is 9th from the right interchange their positions, A becomes 15th from the left. How many boys are there in the row ?

A) 23	B) 31
C) 27	D) 28

Answer & Explanation Answer: A) 23

Explanation:

Clearly, A’s new position is 15th from the left. But this is the same as B’s earlier position which is 9th from the right.

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Filed Under: Number, Ranking and Time Sequence Test

Q:

Rajan is sixth from the left end and vinay is tenth from the right end in a row of boys. If there are eight boys between Rajan and Vinay, how many boys are there in the row ?

A) 24	B) 26
C) 23	D) 25

Answer & Explanation Answer: A) 24

Explanation:

Number of boys in the row = (6 + 10 + 8) = 24

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Filed Under: Number, Ranking and Time Sequence Test

Q:

Nitin ranks 18th in a class of 49 students. What is rank from the last ?

A) 31	B) 18
C) 32	D) 19

Answer & Explanation Answer: C) 32

Explanation:

Number students behind the nitin in rank = (49 - 18) = 31

Nitin is 32nd from the last

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Filed Under: Number, Ranking and Time Sequence Test

Q:

If a + b + c = 13, $a^{2} + b^{2} + c^{2} = 69$ then find the ab + bc + ca :

A) 10	B) 30
C) 50	D) 70

Answer & Explanation Answer: C) 50

Explanation:

${(a + b + c)}^{2} = a^{2} + b^{2} + c^{2} + 2 (a b + b c + c a)$

$2 (a b + b c + c a) = {(a + b + c)}^{2} - (a^{2} + b^{2} + c^{2}) = 169 - 69 = 100 = (a b + b c + c a) = 50$

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Filed Under: Simplification

Q:

The total of 324 of 20 paise and 25 paise make a sum of Rs. 71. The no of 20 paise coins is :

A) 50	B) 100
C) 150	D) 200

Answer & Explanation Answer: D) 200

Explanation:

Let the number of 20 paise coins be x. Then the no of 25 paise coins = (324 - x).

0.20 * (x) + 0.25 (324 - x) = 71 => x = 200..

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Filed Under: Simplification

Q:

Water boils at 212°F or 100°C and melts at 32°F or 0°C . If the temparature of the particular day is 35°C , it is equal to :

A) 85°F	B) 95°F
C) 96°F	D) 97°F

Answer & Explanation Answer: B) 95°F

Explanation:

Let F and C denotes the temparature in Fahrenheit anid Celcsius respectively.

Then, (F - 32) /(212 - 32) = (C - 0)/(100 - 0), if c = 35, then F = 95.

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Filed Under: Simplification

Q:

A class of boys stands in a single line, One boy is 19th in order from both the ends, How many boys are there in the class ?

A) 37	B) 39
C) 27	D) 38

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