Page 130 - Math Genius C4

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\ 30-Sep-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

3. (15 × 14) × 13 = 15 × (14 × _______)

4. The dividend is exactly divisible by the divisor if the remainder is ___________.
5. ___________ is the smallest common multiple of 1, 2, 3 and 6.

4 3
6. += ___________
7 7

C. Attempt the following questions.

1. Ranjana has collected 224 sea shells to make necklaces for her sisters. She requires
32 sea shells to make a necklace. How many necklaces can she make?

2. Amit gave one-tenth of a bar of chocolate to each of his 5 friends during the school

recess. What portion of the chocolate bar is left with him?
3. There are 4,65,234 men, 4,60,556 women and 2,78,954 children in a city. Find the

approximate population of the city to the nearest hundred?

4. 3657 chairs have to be arranged equally in 80 rows. Find the number of chairs in
each row. How many chairs will be left?

5. A ship has to travel a distance of 12,600 kilometres between two major cities. The

journey was divided into four parts. The ship travelled 2,450 kilometres in the first
part, 3,500 kilometres in the second part and 2,700 kilometres in the third part. How

much distance did the ship need to cover in the fourth part to complete the journey?

6. Complete the following by finding the factors of the given numbers.

(a) 63 (b) 48 (c) 36

× 21 2 × × 18

3 × 3 × 2 ×

× 4 ×

×

7. Find the missing numerator and denominator of the equivalent fractions.

1 = 2 = = 4 = = =
3 9 21

128 Mathematics-4