1.
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.
2.
The HCF of two numbers is 6 and the product of two numbers is 360. Find the LCM of the numbers.
3.
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.
4.
What is the remainder when (2x² + 3x +7) is divided by (x + 2)?
6.
If the sum of two integers is − 35 and one of them is 17, then find the other integer.
7.
Find the H.C.F. of 63 and 109.
8.
If a² - b² = 36 and a + b =4, then (a - b)² =----------
9.
What is the multiplicative identity element in the set of integers?
10.
Find the degree of (x² - x )²
11.
What is the quotient when (x³ − 8) is divided by (x² + 2x +4)?
13.
ab = ba but b ≠ a, then find a + b.
14.
For what value of K is 16x² + 24xy + K a perfect square?
15.
What distance will a train cover in 1.2 minute travelling at 72 km/h ?
16.
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 .
18.
Number of terms in the expansion (a + b) (c + d) is --------
19.
Period of the decimal 2.3636363....... is :
20.
Find the total surface area of a cube of edge 12.5 cm.
