|
27. Is it a Rhombus
(i) All four sides are equal
(ii) Total internal angle is 360
Ans: (e)
28. How many books are in the book shelf
(i) The book shelf is 12 feet long
(ii). The average weight of each book is 1.2 pound
Ans: (e)
29. What is the area of the circle?
(i) Radius r is given
(ii) Perimeter is 3 times the area
Ans: (a)
ARITHMETIC SECTION
1. If the total distance of a journey is 120 km .If one goes by 60 kmph and comes
back at 40kmph what is the average speed during the journey?
Ans: 48kmph
2. A school has 30% students from Maharashtra .Out of these 20% are Bombey
students. Find the total percentage of Bombay?
Ans: 6%
3. An equilateral triangle of sides 3 inch each is given. How many equilateral
triangles of side 1 inch can be formed from it?
Ans: 9
4. If A/B = 3/5,then 15A = ?
Ans : 9B
5. Each side of a rectangle is increased by 100% .By what percentage does the
area increase?
Ans : 300%
6. Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain
distance, the front wheel gets 10 revolutions more than the back wheel .What is
the distance?
Ans : 315 feet.
7. Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240
times. How many revolutions will the back wheel take?
Ans: 360 times
8. 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What
percentage of the mixture of solution
Ans: 36%
9. City A's population is 68000, decreasing at a rate of 80 people per year. City B
having population 42000 is increasing at a rate of 120 people per year. In how
many years both the cities will have same population?
Ans: 130 years
10. Two cars are 15 kms apart. One is turning at a speed of 50kmph and the
other at 40kmph . How much time will it take for the two cars to meet?
Ans: 3/2 hours
|
|
