IB ACIO 20 February 2021 Evening Shift


For the following questions answer them individually

Question 41

The following pie chart shows the population of 5 states of India in 2010. What is the population of Rajasthan if the total population of these 5 states is 16200000?

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Question 42

If $$x>0$$ and $$x^{1}+x^{-1}+\leq2$$ then what is the value of
$$ (x^{1}+x^{-1})^{1}+(x^{2}+x^{-2})^{2}+(x^{3}+x^{-3})^{3}+\cdot\cdot\cdot(x^{11}+x^{-11})^{11}$$is:

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Question 43

A fixed sum is lent out in two parts in such a way that the interest on the first part at 1 percent for 1 year is equal to that on the second part at 2% for 2 years. Find the square root of the ratio of the first part to the second part.

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Question 44

The graph shows the temperature variance of a city in degree celsius. Which month has seen the highest spike in temperature over the previous month, in terms of percentage?

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Question 45

The expression $$(x-\sqrt{2})(x-\sqrt{4})$$ goes through the minima at the value of x=a Find the value of $$2a-\sqrt{2} $$

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Question 46

A bathtub can be filled by a cold pipe in 15 minutes and by a hot pipe in 10 minutes. A man opens both the taps at 7 a.m. and leaves the bathroom. He returns at the time when the tub was expected to be full, but he observes that the waste pipe in the bottom was open and the tub was not full. He now closes it, and it takes 4 more minutes before the tank is full. After using the bathtub for 10 minutes, he opens the waste pipe. At what time will the tub be empty?

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Question 47

Which of the given frequency of the given polygons represent the following frequency distribution?

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Question 48

Raushan can complete the wall putty work in 6 days and Satyam can complete it in 12 days. While working together with Raghu, they completed the job in 2 days only. In how many days Raghu alone can complete the job?

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Question 49

Study the table below and answer the question that follows. What is the average number of workers in IT team for the time span 2011 to 2014?

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Question 50

Five bells commence tolling together and toll at intervals of 2, 4, 9, 12 and 15 seconds respectively. In 45 minutes, how many times do they toll together?

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