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(#M40018189) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

In a Chimp Zoo there are 1 billion monkeys. The probability that a monkey in the zoo has seen a Banyan tree is 0.6. The probabilty that a monkey has seen a mango tree is 0.65. What is the minimum percentage of monkeys in the zoo who have seen both the trees?
a 25%
b 39%
c 40%
d 60%

Asked In Elitmus pavan (12 years ago)

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(#M40018188) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

There is a cask full of milk. 'E' litres are drawn from the cask, it is then filled with water. This process is repeated. Now the ration of milk to water in the cask is 16:9. What is the capacity of the cask in litres?

a. E+9
b. 9E
c. 5E

Asked In Elitmus pavan (12 years ago)

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(#M40018187) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

let Y={(1+ai)/(b-i)}^X where a,b,Xand Y are integers. It is known that X is an even number greater than 100 but not divisible by 4. Which of the following statements will always be true(i is a complex such that i^2=-1)

a. both a and b are positive but not equal
b. both a and b are negative and not equal
c. both b and a are prime numbers and not equal.
d. both a and b can take any values as long as they are equal

Asked In Elitmus pavan (12 years ago)

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(#M40018186) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

Ram and Shyam have a cube each. Ram paints 4 faces of cube with red colour and rest with blue colour. Ram asks Shyam to paint his cube as well with some sides red and some sides blue. They now start rolling the cubes simultaneously. After doing this for very long Ram observes that probability of both the cubes coming up with same colour is 1/3. How many faces of his cube did shyam paint red.
(a)0
(b)2
(c)3
(d)4

Asked In Elitmus pavan (12 years ago)

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(#M40018185) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

O and Z are the centers of the two circles with radii 7cm and 9cm respectively. The distance between the centres is 20cm. If PQ be the transverse common tangent to the circles, which cuts OZ at X, what is the length of ZX in cm?
(a)35/4
(bb)45/4
(c) 10
(d)11

Asked In Elitmus pavan (12 years ago)

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(#M40018184) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

Z is a number in decimal system such that Z=260*1024+73*512+128*129+81+9. Let Y be the octal representation of 'Z' (that is representation of 'z' in a number system to the base 8 is 'Y'). How many times will the digit 3 be there in 'Y'

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(#M40018183) ELITMUS QUESTION ELITMUS MATHS PUZZLE Keep an EYE

when a certain number 'X' is multiplied by 18, the product 'y' has all digits as 4s. What is the minimum number of digits 'X' can have?

(a)8
(b)9
(c)12
(d)18

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(#M40018182) ELITMUS QUESTION elitmus maths puzzle Keep an EYE

In a strange twist of hearts, P politicians of a country agreed to an average donation of Rs. D each. Q of these politicians, who had pledged an average of Rs. A never donated the pledged money. Which of the following expressions represents the percent of pledged money that was actually donated?

(a)100(PD/QA)
(b)100(QA/PD)
(c) 100-100(QA/PD)
(d) 100PD-100(QA/PD)

Asked In Elitmus pavan (12 years ago)

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