What single discount is equivalent to two successive discounts of 10% and 15%?
23%
24.5%
28%
23.5%
If 0.2 t=2.2-0.6 s and 0.5 s=0.2 t +1.1, then s is equal to-
2
3
9
7
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)
The unit cost of pencils is the same regardless of how many pencils are purchased. If the cost of p pencils is d rupees, what is the cost, in rupees, of x pencils?
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
From the time 6.15 p.m. to the time 7:45 p.m of the same day, the minute hand of a standard clock describes an arc of-
85o
80o
180o
540o
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
A certain sum of money becomes three times of itself in 20 years at simple interest. In how many years does it become double of itself at the same rate of simple interest?
13 years
10 years
21 years
15 years
In a school, 40% of the students play football and 50% play cricket. If 18% of the students neither play football nor cricket, the percentage of the students playing both is-
30%
42%
22%
8%
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%