Page 193 - Start Up Mathematics_3

Problem-Based Learning

1. Ravi has 148 marbles. Raj has 55 marbles more than Ravi whereas Ramit has 48
marbles less than Raj. What is the total number of marbles all three have?

(a) 504 marbles (b) 480 marbles

(c) 506 marbles (d) 510 marbles

2. A gardener has to plant 720 saplings. He wants to plant them in 8 rows. He
plants 366 saplings in 6 rows, all the rows having equal number of saplings.
He plants the saplings in the remaining 2 rows in such a way that the number of
saplings growing in each of these 2 rows is 4 more than the number of saplings
growing in each previous row. How many saplings are still left to be planted?

(a) 224 saplings (b) 226 saplings

(c) 228 saplings (d) 222 saplings
3. What signs should Shweta use so as to make the statement ‘68 ÷ (24 20)
= (3 5) + 2’ true?

(a) –, × (b) +, ÷ (c) ×, – (d) +, ÷

4. Reema made the following figure using different shapes. Which of the following
shapes did she not use in the figure?

(a) Rectangle (b) Semicircle (c) Triangle (d) Circle

5. A shopkeeper sells apples at ` 60 per kg. He wants to make ` 720 by selling
apples. How many apples should he sell?
(a) 10 kg (b) 20 kg (c) 12 kg (d) 22 kg

6. Joy has 30 chocolates with him. He wants to give some chocolates to his brother.
What fraction of chocolates should Joy give to his brother so that he is left with

20 chocolates?

(a) 2 (b) 1 (c) 1 (d) 1
3 3 2 4
7. Avni spent 2 hours 30 minutes in studying. She went out to meet a friend for
half an hour and then she played badminton for 45 minutes. How much time

did she spend in doing all these activities?
(a) 220 minutes (b) 225 minutes (c) 215 minutes (d) 205 minutes

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