Instructions

For the following questions answer them individually

Question 51

If the height of a right circular cone is 24 m and its slant height is 30 m. then what is the area of its curved surface?

(Use $$\pi = \frac{22}{7}$$)

Question 52

By selling an article for â‚¹254.38, there is a gain of 10.6%. If it is sold for â‚¹224.25. then the loss/gain percentage will be:

Question 53

The average of seven consecutiYe positive integers is 259. If the next five odd numbers are included, then what is the average of all the numbers (correct to two decimal places)?

Question 55

What is the difference between the compound inerest on â‚¹3,000 for 1 year at 5% per annum compounded yearly and that compounded half-yearly?

Question 56

The value of 3 $$\times$$ 4 $$\div$$ 3 of 24 - 3 $$\div$$ 2 $$\times$$ (3-4) $$\times$$ 2 + 6 $$\div$$ 4 of 3 is:

Question 57

The ratio of the number of men and women in a company is 5 : 4. If the number of men and women increase by 16% and 15%, respectively, then what will be the new ratio of men and women?

Question 58

A. B and C can complete a work in 60, 30 and 20 days, respectively. In how many days can A complete the work if he is assisted by B and C together on every fifth day?

Question 59

Two numbers X and Y are such that the sum of 3% of X and 2% of Y is two-third of the sum of 2% of X and 6% of Y. The ratio of three times of X 10 two times of Y is:

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