Q1. Form the greatest and the smallest six – digit number using the given digits only once. 2,0,7,4,9,1

Q2. Aman spent Rs 5390 on books and Rs 18486 on clothes and footwear. Round off each number to the nearest thousands and find the total estimated amount which he needs to pay to the shopkeeper.

Q3. Using a suitable property, find the value of 6250-999.

Q4. Fill in the blanks with correct answer:

• a) HCF of two consecutive numbers is ___
• b) Smallest odd composite number is ___
• c) An example of perfect number is ___
• d) 88 can be expressed as the sum of two odd primes, as ___

Q5. In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R).

Choose the correct answer out of the following choices.

• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.

Assertion (A) : 15 and 51 are twin primes.

Reason (R): Two prime numbers which differ by 2 are called as twin prime.

Q6. A certain number of oranges can be divided equally among 2,3,4,5,6 and 7 family members. What is the least such number?

Q7. The school is organizing a field trip to a water park. The park offers a group discount of Rs 3000 if more than 20 students attend. The original ticket price is Rs 2500 per student.

• a) If 30 students decide to go, how much money will the school need to collect considering the discount?
• b) How much money will each student pay to the school?
• c) A bus consumes 15 litres of diesel for the trip. How much will be the total cost of the diesel consumed if one litre costs Rs 95.50?
• d) How many hours will the bus take if it travels at an average speed of 40 km /hour and total distance to be covered is 160 km?