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Q:

K and L starts walking towards each other at 4 pm at speed of 3 km/hr and 4 km/hr respectively. They were initially 17.5 km apart. At what time do they meet ?

A) 6:00 am	B) 6:30 pm
C) 5:45 am	D) 5:52 pm

Answer & Explanation Answer: B) 6:30 pm

Explanation:

Suppose they meet after 'h' hours

Then

3h + 4h = 17.5

7h = 17.5

h = 2.5 hours

So they meet at => 4 + 2.5 = 6:30 pm

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Filed Under: Time and Distance
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Q:

Solve the MathPuzzle Challenge ?

21728536_1414818525291914_2403155789974071436_n1505380084.jpg image

A) 4!	B) 5!
C) 6!	D) Can't be determined

Answer & Explanation Answer: D) Can't be determined

Explanation:

NUMERICAL has 9 positions in which 2, 4, 6, 8 are even positions.

And it contains 5 consonents i.e, N, M, R, C & L. Hence this cannot be done as 5 letters cannot be placed in 4 positions.

Therefore, Can't be determined.

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Filed Under: Math Puzzles
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Q:

Nine different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, how many such words can be formed which have at least one letter repeated ?

A) 43929	B) 59049
C) 15120	D) 0

Answer & Explanation Answer: A) 43929

Explanation:

Number of words with 5 letters from given 9 alphabets formed = $9^{5}$

Number of words with 5 letters from given 9 alphabets formed such that no letter is repeated is = $9 P_{5}$

Number of words can be formed which have at least one letter repeated = $9^{5} - 9 P_{5}$

= 59049 - 15120

= 43929

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Filed Under: Permutations and Combinations
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Q:

China and Pakistan air forces have launched _________ joint air exercise in China.

A) Black Flag	B) Desert Eagle
C) Red Flag	D) Shaheen

Answer & Explanation Answer: D) Shaheen

Explanation:

The air forces of China and Pakistan began a joint training exercise SHAHEEN and deployed their latest fighter jets and AWACS aircraft.

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Filed Under: World Geography
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Q:

Technology giant Microsoft's India-born CEO ___________ has written his first book "Hit Refresh".

A) Satya Nadella	B) Indra Nooyi
C) Kiran Mazumdar	D) Sundar Pichai

Answer & Explanation Answer: A) Satya Nadella

Explanation:

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Filed Under: Books and Authors
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Q:

Manish completes a work in 20 days. After 8 days Sriram joined the work. In how many days will the work be completed ?

Statements :

I. Sriram takes twice the time than Manish to complete the work.
II. Sriram completes half the work in 15 days.

A) Statement I alone is sufficient to answer the question	B) Statement II alone is sufficient to answer the question
C) Either the statements I & II is sufficient to answer the question	D) Neither the statements I & II is sufficient to answer the question

Answer & Explanation Answer: C) Either the statements I & II is sufficient to answer the question

Explanation:

From statement I,

Time taken by Sriram to complete the work = 40 days

From statement II,

Time taken by Sriram to complete the wok = 30 days

So from both either by statement I or statement II we can find the time to complete the work.

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Filed Under: Statement and Assumptions
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Q:

Rajeev start a business with Rs. 10000, Deepu joins him after 2 month with 20% more investment than Rajeev, after 2 month Shakti joins him with 40% less than Deepu. If the profit earned by them at the end of the year is equal to the twice of the difference between investment of Rajeev and ten times the investment of Shakti. Find the profit of Rajeev ?

A) 50000	B) 48000
C) 38000	D) 40000

Answer & Explanation Answer: C) 38000

Explanation:

Here from the given information,

The ratio of investments of Rajeev, Deepu & Shakti is

R : D : S = (10000 × 12) : (12000 × 10) : (7200 × 8)

= 25 : 25 : 12

Now the Profit = 2 × (72000-10000) = 124000

Share of Rajeev = 124000 x 25/62 = 48000

Profit of Rajeev = 48000 - 10000 = 38000

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Filed Under: Partnership
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Q:

The probability that a bowler bowled a ball from a point will hit by the batsman is ¼. Three such balls are bowled simultaneously towards the batsman from that very point. What is the probability that the batsman will hit the ball ?

A) 37/64	B) 27/56
C) 11/13	D) 9/8

Answer & Explanation Answer: A) 37/64

Explanation:

Probability of not hitting the ball = 1- 1/4 = IBPS RRB Clerk Level Quiz : Quantitative Aptitude | 11 -09 - 17
Then, the probability that the batsman will hit the ball =

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Filed Under: Probability
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