1.
A train covers the distance between two cities in 12 hours. How much time will a car take which has an average speed of 1.2 times that of the train .
2.
A shopkeeper bought 10 kg. of rice for Rs 210, 5 kg. of rice at Rs 16 per kg and 0.5kg. for Rs 20. Find the average cost of the rice per kg.
3.
In how many years will a certain sum becomes seven times of itself at 15% per year simple interest ?
4.
Find the total surface area of a cube of edge 12.5 cm.
5.
What distance will a train cover in 1.2 minute travelling at 72 km/h ?
6.
Period of the decimal 2.3636363……. is :
8.
What is the additive identity element in the set of whole numbers?
9.
What is the multiplicative identity element in the set of whole numbers?
10.
Given that a + b + c = 0, find: √( xa . xb . xc )
11.
What is the remainder when (2x² + 3x +7) is divided by (x + 2)?
12.
Which of the following is/are perfect squares?
13.
40% of 175 + 175% of 60 =
14.
Rs 2000 is lent out at 0.3% per month for 10 years under simple interest. Calculate the amount.
15.
What is the smallest positive irrational number?
16.
If p + q =15 and pq=54, then p – q can be
17.
What is the multiplicative identity element in the set of integers?
19.
(2x − 6y)² – (6y + 8x)²= ?
20.
In a shooting game, if we hit a balloon, we get 50 points and if we miss the balloon, we lose 30 points. A person hits 30 balloons and misses 35 balloons. Find his net score.
