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
If 3 x - 4 y = 5 and then what is the value of x?
-5 y
-5 x
2
3
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?
If a harvest yields 120 bushels of corn, 40 bushels of wheat, and 80 bushels of soybeans, what per cent of the total harvest is corn?
25%
30%
33%
50%
If 0.2 t=2.2-0.6 s and 0.5 s=0.2 t +1.1, then s is equal to-
9
7
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
80
40
90
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-
42%
22%
8%
On Monday, Geeta ate of an apple. On Tuesday, she ate of what was left of the apple. What fraction of the entire apple did Geeta eat on both days?
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
