Page 212 - Start Up Mathematics_5

Problem-Based Learning

1. Seema has been given the digits 9, 0, 8, 5, 6, 4 and 3. She is asked to find out the
difference between the largest and the smallest numbers that are formed using these
digits. What difference will she obtain?
(a) 67,19,741 (b) 68,19,741 (c) 78,19,741 (d) 78,14,741

2. A quiz has 4 levels and it takes 35 minutes to solve each level. If the quiz is solved by
227 students, how much time will be taken by all the students to solve it?
(a) 21,780 minutes (b) 41,780 minutes (c) 31,780 minutes (d) 11,780 minutes

3. Alka writes two numbers. She discovers that one of them is divisible by both 2 and 3
and the other number is divisible by 9. She also finds out that the difference between
these two numbers is 12,525. What are the two numbers?

(a) 89,490 and 71,965 (b) 85,490 and 72,965
(c) 83,490 and 70,965 (d) 82,490 and 69,695

4. Ramit asks his brother to identify a perfect number. Which of the following number is
identified by his brother?
(a) 456 (b) 466 (c) 486 (d) 496

5. 6,45,507; 8,45,607; __________; 12,45,807 and 14,45,907 form a series. What is the
missing number?

(a) 10,45,507 (b) 9,45,707 (c) 10,45,707 (d) 10,54,707
6. Tamanna is 6 years old. Her mother‘s age is four years more than 5 times Tamanna’s
age. How old is her mother?

(a) 30 years (b) 26 years (c) 34 years (d) 32 years

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7. For a talent show, there were 25,368 tickets available. of the tickets were sold to the
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VIPs at the rate of ` 1,750 each and the remaining of the tickets were sold at the
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rate of ` 950 each. What was the total amount collected after selling the tickets?

(a) 3,93,20,400 (b) 3,83,20,400 (c) 4,89,20,400 (d) 3,13,20,400

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8. Garima goes for a dance class for 1 hours daily excluding Saturday. On Sunday, she
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goes for 2 hours. For how many hours does she go for dance classes in a week?
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(a) 8 hours (b) 10 hours (c) 12 hours (d) 15 hours
9. Vineet covers a distance of 2,730 km in 8 days. If he continues with the same speed,
how much distance will he cover in 31 days?

(a) 11,578.25 km (b) 12,588.95 km (c) 10,578.75 km (d) 14,567.95 km

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