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self Math Questions and Answer Page 321

(#M40001755) SELF QUESTION Zoya Husain20 January Keep an EYE

If we subract a number with y, we get 4 increase of number, once it got divided by y itself.. Find that number??

wht will be d equation???

Aashu (14 years ago)

Unsolved Read Solution (2)

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(#M40001754) SELF QUESTION Shafiur Rahman20 January Keep an EYE

A boy wants to make cuboids of dimension 5m, 6m and 7m from small cubes of .03 m3. Later he realized he can make same cuboids by making it hollow. Then it takes some cubes less. What is the number of the cubes to be removed?

Solution

volume of the small cube = 0.03 m^3
so side of this cube = cubic root of 0.03 m^3 = .312 m
so after removing the outermost layer the dimensions for the inner cuboid will be (5-2*0.312), (6-2*0.312), (7-2*0.312)
so total volume will be (4.376)*(5.376)*(6.376) = 150 m^3
so no of cubes will be 150/0.03 = 5000
so we can remove 5000 inner cubes


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Aashu (14 years ago)

Solved

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(#M40001753) SELF QUESTION Amitesh Singh 22 January Keep an EYE

A horse chases a pony 3 hours after the pony runs. Horse takes 4 hours to reach the pony. If the average speed of the horse is 35 kmph, what s the average speed of the pony?

Aashu (14 years ago)

Solved Arneet Read Solution (3)

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(#M40001752) SELF QUESTION Ghanshyam Choudhary 23 January Keep an EYE

3, 22 , 7, 45, 15, ? , 31...what could be @ place ?

Aashu (14 years ago)

Solved sanjeev Read Solution (3)

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(#M40001751) SELF QUESTION by Banumathy Saran May 28 Keep an EYE

A veterinarian surveys 26 of his patrons.He discovers that 14 have dogs, 10 have cats, and 5 have fish.Four have dogs and cats, 3 have dogs and fish, and one has a cat and fish.If no one has all three kinds of pets, how many patrons have none of these pets?

Solution

eliminate last three lines of the solution given by KARTHICK BABU.
After that the answer is correct

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Aashu (14 years ago)

Solved Karthick Babu Read Solution (2)

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(#M40001501) SELF QUESTION What is the next number in the following series? Keep an EYE

1,11,21,1211,111221,312211,...?

Solution

1
in previous number one time one so 11
in previous number 2 times one so 21
in previous number one time two and one time one so 1211
in previous number one time one, one time two and two times one so 111221
in previous number three times one, two times two and one time one so 312211
similarly in previous number one time three, one time one, two times two and two times one so 13112221

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Harini Reddy (14 years ago)

Solved Read Solution (2)

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(#M40001490) SELF QUESTION Keep an EYE

an unbaised coin is tossed until it shows up the same face in 2 consicative throws wat is the probability that the no of tosses is not more than 4.1)3/4 2)1/4 3)7/8 4)1/8

swapna (14 years ago)

Solved Dimple Read Solution (2)

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(#M40001489) SELF QUESTION Keep an EYE

when fair coin is tossed 9 times find the probability of getting head at least once.1)1/512 2)511/512 3)9/512 4)503/512.

swapna (14 years ago)

Solved raghunath reddy Read Solution (5)

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(#M40001473) SELF QUESTION can you find a? Keep an EYE

2.3.4.15.12
3.4.5.28.20
4.5.6.45.30
5.6.7.a .42
6.7.8.91.56

ULAGUNATHAN (14 years ago)

Solved Karthick Babu Read Solution (6)

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(#M40001472) SELF QUESTION simple logic Keep an EYE

5+5 = 10
38+20 = 1858
5+3 = 28
9+1 = 810
8+6 = 214
5+4 = 19
7+3 = ?

ULAGUNATHAN (14 years ago)

Solved ULAGUNATHAN Read Solution (9)

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