## SCIENCE

Protective sols are – a) lyophilic b) lyophobic c) both a and b d ) none

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## element

Which one of following elements is found in free state in nature – a) sodium b) iron c) zinc d) gold

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## probability

A dice is rolled twice . What is the probability of getting a sum equal to 9? a) 2/9 b) 2/3...

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## Probability

A box contains 20 balls out of which 12 are red and 8 are green . 5 balls are randomly drawn from the box with replacement . What is...

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## BOAT AND STREAM

A boat goes to 40 km upstream in 8 hours and down stream in 5 hours . What is the speed of boat in still water? a) 6 km/hr...

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## SIMPLE INTEREST

A sum of money lent at simple interest amounts to RS 3224 in 2 years and Rs 4160 in 5 years . Find the sum and the rate of...

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## SIMPLE INTEREST

The simple interest at x% for x years will be Rs. x on sum of : A) x B) 1OO x C) 1OO/x D) x/1OO

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