On level ground, a man 6 feet tall casts a shadow 8 feet long, at the same time a tree casts a shadow 20 feet long. The height of the tree is-
13 ft
15 ft
11 ft
10 ft
If one rupee can buy x pieces of paper, how many rupees are needed to buy y reams of paper? (Note: 1 ream = 500 pieces of paper)
Savita has a test average of 80 after five tests. She only knows the scores of four of her tests: they are 70, 87, 94 and 69. What was the score on her other test?
90
96
80
82
How long of a shadow will a 120-feet high pole cast if a foot-long ruler casts a three-inches shadow?
20 feet
30 feet
57 feet
89 feet
If prices are reduced 25% and sales increase 20%, what is the net effect on gross receipts?
They increase by 8%
They decrease by 10%
They remain the same
They increase by 12%
If a cake mix calls for 2.5 cups of sugar, 4 cups of flour, and 1.5 cups of melted butter, what percent of the recipe calls for flour?
31.25%
40%
50%
57%
What single discount is equivalent to two successive discounts of 10% and 15%?
23%
24.5%
28%
23.5%
The area of a circle is the same as the area of a square whose side is 5 centimeters. The radius of the circle is closest to-
25 centimeters
3 centimeters
2 square centimeters
8 centimeters
If 3 x - 4 y = 5 and then what is the value of x?
-5 y
-5 x
2
3
A farmer raises hens and cows. If his animals have a total of 120 heads and a total of 300 feet, how many hens does the farmer have?
50
40