Question 1 of 20 · Class 3–4
What is 24 × 3?
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Answer: 72 — 24 × 3 = 20 × 3 + 4 × 3 = 60 + 12 = 72.
Question 2 of 20 · Class 3–4
Which number is a multiple of 5? 22, 34, 45, 51
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Answer: 45 — Multiples of 5 end in 0 or 5. Only 45 does.
Question 3 of 20 · Class 3–4
A rectangle is 6 cm long and 4 cm wide. What is its perimeter?
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Answer: 20 cm — Perimeter = 2 × (length + width) = 2 × (6 + 4) = 20 cm.
Question 4 of 20 · Class 3–4
Which fraction is bigger: 1/2 or 1/4?
1/2
1/4
Both equal
Cannot tell
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Answer: 1/2 — 1/2 means one of two equal parts; 1/4 means one of four smaller parts. 1/2 is bigger.
Question 5 of 20 · Class 3–4
A shopkeeper sold 15 pens in the morning and 27 pens in the afternoon. How many in all?
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Answer: 42 — 15 + 27 = 42 pens sold in total.
Question 6 of 20 · Class 3–4
What is 100 − 37?
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Answer: 63 — 100 − 37 = 63. Or: 100 − 30 − 7 = 70 − 7 = 63.
Question 7 of 20 · Class 3–4
How many minutes are there in 2 hours?
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Answer: 120 — 1 hour = 60 minutes, so 2 hours = 120 minutes.
Question 8 of 20 · Class 3–4
Which of these is an even number? 11, 24, 37, 49
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Answer: 24 — Even numbers end in 0, 2, 4, 6 or 8. Only 24 does.
Question 9 of 20 · Class 3–4
There are 3 shelves with 8 books on each. How many books in total?
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Answer: 24 — 3 × 8 = 24 books.
Question 10 of 20 · Class 3–4
What is the place value of 7 in 3745?
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Answer: 700 — In 3745, the 7 sits in the hundreds place, so its value is 700.
Question 11 of 20 · Class 3–4
A book has 96 pages. Ravi reads 12 pages a day. How many days to finish?
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Answer: 8 — 96 ÷ 12 = 8 days.
Question 12 of 20 · Class 3–4
What is the smallest 4-digit number using digits 3, 0, 5, 1 (each once)?
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Answer: 1035 — Smallest 4-digit needs the smallest non-zero digit first (1), then remaining smallest to largest: 0, 3, 5. So 1035.
Question 13 of 20 · Class 3–4
A tank fills at 8 litres per minute. How long to fill 120 litres?
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Answer: 15 min — 120 ÷ 8 = 15 minutes.
Question 14 of 20 · Class 3–4
What is 3/8 of 64?
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Answer: 24 — (64 ÷ 8) × 3 = 8 × 3 = 24.
Question 15 of 20 · Class 3–4
If today is Tuesday, what day was 15 days ago?
Sunday
Monday
Tuesday
Wednesday
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Answer: Monday — 15 days = 2 weeks + 1 day. 2 weeks ago was Tuesday; 1 more day back is Monday.
Question 16 of 20 · Class 3–4
The digit in the thousands place of 47,832 is:
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Answer: 7 — Reading right to left: 2 (ones), 3 (tens), 8 (hundreds), 7 (thousands), 4 (ten-thousands).
Question 17 of 20 · Class 3–4
A watermelon weighs 3 kg 250 g. What is its weight in grams?
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Answer: 3250 g — 3 kg = 3000 g. Plus 250 g = 3250 g.
Question 18 of 20 · Class 3–4
How many small squares of side 2 cm fit inside a big square of side 8 cm?
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Answer: 16 — Big square area = 64 cm². Small square area = 4 cm². 64 ÷ 4 = 16 squares.
Question 19 of 20 · Class 3–4
Priya has twice as many marbles as Sam. Sam has 24 marbles. How many do they have together?
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Answer: 72 — Priya has 2 × 24 = 48. Together: 48 + 24 = 72 marbles.
Question 20 of 20 · Class 3–4
The perimeter of a regular pentagon of side 9 cm is:
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Answer: 45 cm — Regular pentagon has 5 equal sides. Perimeter = 5 × 9 = 45 cm.