If the sum of m and m+3 is greater than 20, which is a possible value for m?
-9
-6
-2
10
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
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
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
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)
What is the least number that can be added to 42,042 to produce a result divisible by 9?
6
8
4
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%
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 3 x - 4 y = 5 and then what is the value of x?
-5 y
-5 x
