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Question (11)

QN0032076

A number becomes 35,041 after adding 1. What was the original number?

(A) 35,039
(B) 35,040
(C) 35,042
(D) 34,999

Correct Answer: B

Explanation:

The predecessor of 35,041 is 35,040.

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Question (12)

QN0032077

Which of the following numbers is closest to 50,000?

(A) 49,620
(B) 49,980
(C) 50,240
(D) 50,480

Correct Answer: B

Explanation:

49,980 is only 20 away from 50,000.

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Question (13)

QN0032078

A train travels 145 km in one hour. How far will it travel in 3 hours?

(A) 415 km
(B) 425 km
(C) 435 km
(D) 445 km

Correct Answer: C

Explanation:

145 × 3 = 435 km.

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Question (14)

QN0032079

Which number has the greatest value?

(A) 78,540
(B) 78,504
(C) 78,450
(D) 78,405

Correct Answer: A

Explanation:

Compare the digits from left to right.

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Question (15)

QN0032080

A boat can carry 20 people at a time. How many trips are needed to take 145 people across a river?

(A) 6
(B) 7
(C) 8
(D) 9

Correct Answer: C

Explanation:

145 ÷ 20 = 7 remainder 5, so 8 trips are needed.

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Question (16)

QN0032081

Which number is formed by 6 ten thousands, 4 thousands, 3 hundreds, 2 tens and 8 ones?

(A) 64,238
(B) 63,428
(C) 60,438
(D) 64,328

Correct Answer: D

Explanation:

60,000 + 4,000 + 300 + 20 + 8 = 64,328.

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Question (17)

QN0032082

A spacecraft travels at a minimum speed of 28,000 km in one hour. How far will it travel in 2 hours at the same speed?

(A) 48,000 km
(B) 54,000 km
(C) 56,000 km
(D) 58,000 km

Correct Answer: C

Explanation:

28,000 × 2 = 56,000 km.

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Question (18)

QN0032083

Which of the following numbers lies between 29,999 and 30,010?

(A) 29,998
(B) 30,005
(C) 30,011
(D) 30,100

Correct Answer: B

Explanation:

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Question (19)

QN0032084

A town has a population of 72,485. Another town has a population of 68,975. How many more people live in the first town?

(A) 3,410
(B) 3,510
(C) 3,610
(D) 3,710

Correct Answer: B

Explanation:

72,485 − 68,975 = 3,510.

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Question (20)

QN0032085

Which statement best explains why commas are used while writing large numbers?

(A) They increase the value of the number.
(B) They help in reading and understanding large numbers easily.
(C) They change the place value of digits.
(D) They are used only in 4-digit numbers.

Correct Answer: B

Explanation:

Commas separate place values, making large numbers easier to read.

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Question (11)

A number becomes 35,041 after adding 1. What was the original number?

Explanation:

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Question (12)

Which of the following numbers is closest to 50,000?

Explanation:

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Question (13)

A train travels 145 km in one hour. How far will it travel in 3 hours?

Explanation:

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Question (14)

Which number has the greatest value?

Explanation:

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Question (15)

A boat can carry 20 people at a time. How many trips are needed to take 145 people across a river?

Explanation:

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Question (16)

Which number is formed by 6 ten thousands, 4 thousands, 3 hundreds, 2 tens and 8 ones?

Explanation:

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Question (17)

A spacecraft travels at a minimum speed of 28,000 km in one hour. How far will it travel in 2 hours at the same speed?

Explanation:

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Question (18)

Which of the following numbers lies between 29,999 and 30,010?

Explanation:

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Question (19)

A town has a population of 72,485. Another town has a population of 68,975. How many more people live in the first town?

Explanation:

Link:

Question (20)

Which statement best explains why commas are used while writing large numbers?

Explanation:

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