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What is the distance covered by boat N upstream in 5 hours? Which of the following option is sufficient alone to find the answer? A) Boat M is travelling downstream with 20% more downstream speed of boat N. Speed of boat M in still water is 10% more than the speed of boat N in still water. B) Boat M and Boat N are travelling downstream with speed 33 km/hr and 40 km/hr respectively and speed of boat M is still water is 2 times the speed of stream. C) Speed of boat M in still water is 6 km/hr less then speed of boat N in still water and speed of stream is 10 km/hr. D) Speed of stream is ½ times the speed of boat N in still water and downstream speed of boat M is 44 km/hr. E) Speed of stream is 10 km/hr and ratio of upstream speed of boat M and boat N is 3 : 2 respectively.
A small and medium enterprise imports two components A and B from Taiwan and China respectively and assembles them with other components to form a toy. Components A contributes to 10% of production cost while components B contributes to 20% of production cost. Usually the company sells this toy at 20% above the production cost. Due to increase in the raw material and labour cost in both the countries ,component A became 20% costlier and components B became 40% costlier. Owing to these reasons the company increased its selling price by 15%. Considering that cost of other components does not change. What will be the profit percentage if the toy is sold at the new price?
If Rati travels at his usual speed for ‘x’ hours, he covers the same distance as he covered when he travels at a speed 30 km/hr less than usual, but for (x + 3) hours. Which of the following can be determined? (A) If he travels at 20 km/hr less speed than usual, he can cover a distance of 240 km in (x - 1) hours. What is the value of ‘x’? (B) If travels at his usual speed for (t + 2) hours, and at 50% of his usual speed for (t - 2) hours, his average speed for the journey is 68 km/hr. What is his usual speed? (C) His usual speed (in km/hr) is a multiple of 5 between 40 and 50 (both inclusive). If ‘x’ is a whole number, what is his usual speed? (D) If he travels at his usual speed for ‘t’ hours, he covers a distance of 400 km. What is the value of ‘x’?
In a company there are 252 engineers, in which the ratio of the number of electronics engineers and computer engineers is 2 ∶ 1. The ratio of the number of electronics engineers and computer engineers becomes 1 ∶ 1 after recruitment of some more computer engineers. The average age of all the engineers is now 22 years and the average age of the computer engineers is 2 years less than the average age of electronics engineers. (A) The average age (in years) of electronics engineers is 21 (B) The average age (in years) of computer engineers is 21 (C) The average age (in years) of electronics engineers is 23 (D) The average age (in years) of electronics engineers is 25 (E) The average age (in years) of computer engineers is 23 Choose the correct answer from the options given below: 
Thousands of women worldwide, including Bangladesh, Nepal and Uganda are suffering from brutal acid attacks that is due to gender equality or due to any disputes or refusal of marriage or sexual advances or failure to pay dowry. Acid is used as a weapon by few men to show their ego against any refusal. The scars of a women's face functions as a public mark of shame. There are a lot of impacts that the victims go through. Which of the following, if true, would weaken the conclusion about the impacts of acid attack on the people and the society? 
The speed of six bikes B1, B2, B3, B4, B5 and B6 has been compared. The speed of the B6 exceeds just three bikes. No two bikes have the same speed. The speed of B4 is more than that of B2 but less than that of B6. The speed of B3 is not less than that of B5. The speed B2 is not minimum. If the speed of B5 is not less than that of B2, then which of the following pair of bikes has more speed than that of B4?
Impacts on land, impacts on surrounding environment and gaseous emissions are the three main problems due to geothermal power plants.
What are the social consequences of gender discrimination?
1. Impact sex ratio
2. Impact health of over their lifetimes (mostly women)
3. Impacts social status of women
4. Impacts women participation at work
Study the two cases and answer in terms of relation between the two cases Case 1: The average speed of the bike is \(3\frac{3}{4}\) times the average speed of the bus. A car covers 720 km in 10 hours. How much distance (in km) will a bike cover in 50 minutes if the speed of the bus is half of the speed of the car? Case 2: The average speed of bike is \(1\frac{2}{5}\) times the average speed of the car. A bus covers 441 km in 7 hours. How much distance (in km) will a bike cover in 45 minutes if the speed of the car is twice the speed of the bus?
The outcome of the spot speed studies carried out at a certain stretch of a highway are as follows. 50th percentile speed = 46 km/h ; 75th percentile speed = 54 km/h ; 85th percentile speed = 60 km/h ; 95th percentile speed = 75 km/h ; 98th percentile speed = 84 km/h ; 100th percentile speed = 95 km/h What is the speed (in km/h units) to be taken to check the geometric design elements.