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
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?
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 m and n are negative integers, and if m-n=1, what is the least possible value of mn?
4
5
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%
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
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
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?
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)
If the sum of m and m+3 is greater than 20, which is a possible value for m?
-9
-6
-2
10