Instructions

For the following questions answer them individually

Question 61

A 280 m long train is running at 108 km/hr. In how much time will it cross a bridge of length 170 m?

Question 62

A shopkeepers made a profit of 16% on his goods.If the price at which he buys decreases by 20% while he reduces his selling price by 23%, what is now his percentage of profit? (correct to one decimal place)

Question 63

The largest sphere is carved out of a cube of side 7 $$cm$$. What is the volume of the sphere in $$cm^3$$ (Take $$\pi = \frac{22}{7}$$)

Question 64

Two vessels A and B contain solution of acid and water. In A and B the ratio of acid and water are 7 : 3 and 4 : 1, respectively. They are mixed in the ratio 1 : 2. What is the ratio of acid and water in the resulting solution?

Question 65

Let x be the least multiple of 29 which when divided by 20, 21, 22, 24 and 28 then the remainders are 13, 14, 15, 17 and 21 respectively. What is the sum of digits of x?

Question 66

At what percentage above the cost price must an article be marked so as to gain 38% after allowing a customer a discount of 8% on the marked price?

Question 67

The numbers 6, 8, 11, 12, 2x - 8, 2x + 10, 35, 41, 42, 50 are written in ascending order. If their median is 25, then what is the mean of the numbers?

Question 68

A takes 6 hours more than B to cover a distance of 60 km. But if A doubles his speed, he takes 3 hours less than B to cover the same distance. The speed (in km/hr) of A is:

Question 69

Asum of â‚¹ 1518 is divided among A, B, and C, such that A receives 20% more than B and B receives 20% less than C. What is the share of C in the sum?

Question 70

Study the following table, which shows the number of units of a product manufactured and sold by a company in five years, and answer questions.

In which year the number of units of the product sold is 19000 more than the average number of units manufactured per year?

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