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self Math Questions and Answer Page 45

(#M40030949) SELF QUESTION Keep an EYE

Q. A courtyard 25 m long and 16 m broad is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is

Dinesh thatti (11 years ago)

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(#M40030945) SELF QUESTION Keep an EYE

Q. A train moves with a speed of 108 kmph. Its speed in metres per second is

Dinesh thatti (11 years ago)

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(#M40030944) SELF QUESTION Keep an EYE

Q. A train 150 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?

Dinesh thatti (11 years ago)

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(#M40030943) SELF QUESTION Keep an EYE

Q. A man sitting in a train which is travelling at 50 kmph observes that a goods train, travelling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.

Dinesh thatti (11 years ago)

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(#M40030940) SELF QUESTION Probability Keep an EYE

Q. There are n black balls in box1 and n white balls in box2. A single operation involves transferring a ball from box1 to box2 and a ball from box2 to box1 .what is the probability that box1 has more black balls than white balls at the end of 3 operations?

NISHAT AHMAD RATHER (11 years ago)

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(#M40030939) SELF QUESTION Keep an EYE

Q. The below Java program prints the numbers from 1 to 50. But for multiples of three print "DNA" instead of the number and for the multiples of five print "RNA". For numbers which are multiples of both three and five print "ATGC". Please identify the three bugs in the code and suggest how they can be resolved.

public class SeqTest {

public static void main(String args[]) {

for(int i = 1; i

Deepti Jain (11 years ago)

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(#M40030934) SELF QUESTION series Keep an EYE

Q. Find the next term
1,2,4,9,125,....

shaswata tripathy (11 years ago)

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(#M40030927) SELF QUESTION cryptarth Keep an EYE

HE
*IS
___
HUB
OF
___
LAB

nayan (11 years ago)

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(#M40030918) SELF QUESTION Keep an EYE

Q. The ages of Patrick and Michael are in the ratio of 3 : 5 and that of Michael and Monica are in the ratio of 3 : 5. If the sum of their ages is 147, what is the difference between the ages of Patrick and Monica?

Dinesh thatti (11 years ago)

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(#M40030917) SELF QUESTION Keep an EYE

Q. In how many ways can the integer 48 be expressed as a product of two different positive integers?

Dinesh thatti (11 years ago)

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