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Question (11)

QN0029963

Which is the greatest decimal?

(A) 6.405
(B) 6.450
(C) 6.045
(D) 6.054

Correct Answer: B

Explanation:

Compare place values. 6.450 = 6.45 is greater than the others.

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Question (12)

QN0029964

A water tank contains 15.8 L of water. After using 7.65 L, how much water remains?

(A) 8.05 L
(B) 8.15 L
(C) 8.25 L
(D) 9.05 L

Correct Answer: B

Explanation:

Water remaining = 15.80 − 7.65 = 8.15 L.

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Question (13)

QN0029965

Which decimal represents 4 ones, 3 tenths and 9 hundredths?

(A) 4.39
(B) 4.93
(C) 43.9
(D) 4.309

Correct Answer: A

Explanation:

4 + 0.3 + 0.09 = 4.39.

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Question (14)

QN0029966

A runner completes 3 laps of 0.875 km each. Total distance covered is:

(A) 2.525 km
(B) 2.625 km
(C) 2.725 km
(D) 2.825 km

Correct Answer: B

Explanation:

0.875 × 3 = 2.625 km.

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Question (15)

QN0029967

Which decimal lies exactly midway between 2.4 and 2.6?

(A) 2.45
(B) 2.50
(C) 2.55
(D) 2.35

Correct Answer: B

Explanation:

Midpoint = (2.4 + 2.6)/2 = 2.5.

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Question (16)

QN0029968

Convert 2045 mm into metres.

(A) 0.2045 m
(B) 2.045 m
(C) 20.45 m
(D) 204.5 m

Correct Answer: B

Explanation:

Since 1000 mm = 1 m, 2045 mm = 2045/1000 = 2.045 m.

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Question (17)

QN0029969

If a book costs ₹125.75 and a pen costs ₹18.25, what is the total cost?

(A) ₹143.50
(B) ₹144.00
(C) ₹144.50
(D) ₹142.00

Correct Answer: B

Explanation:

Total cost = 125.75 + 18.25 = ₹144.00.

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Question (18)

QN0029970

Which of the following is arranged in ascending order?

(A) 3.105, 3.15, 3.051
(B) is ascending order.
(C) 3.15, 3.105, 3.051
(D) 3.105, 3.051, 3.15

Correct Answer: B

Explanation:

Write as 3.051, 3.105 and 3.150. Hence option (b) is ascending order.

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Question (19)

QN0029971

A rod of length 7.2 m is cut into two pieces. One piece is 3.85 m long. The length of the other piece is:

(A) 3.25 m
(B) 3.35 m
(C) 3.45 m
(D) 3.55 m

Correct Answer: B

Explanation:

Other piece = 7.20 − 3.85 = 3.35 m.

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Question (20)

QN0029972

Using the digits 2, 4, 5, and 8 exactly once, which decimal number is closest to 25?

(A) 24.58
(B) 25.48
(C) 28.45
(D) 24.85

Correct Answer: D

Explanation:

Distances from 25 are 0.42, 0.48, 3.45 and 0.15 respectively. Hence 24.85 is closest to 25.

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Question (11)

Which is the greatest decimal?

Explanation:

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Question (12)

A water tank contains 15.8 L of water. After using 7.65 L, how much water remains?

Explanation:

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Question (13)

Which decimal represents 4 ones, 3 tenths and 9 hundredths?

Explanation:

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Question (14)

A runner completes 3 laps of 0.875 km each. Total distance covered is:

Explanation:

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Question (15)

Which decimal lies exactly midway between 2.4 and 2.6?

Explanation:

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Question (16)

Convert 2045 mm into metres.

Explanation:

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Question (17)

If a book costs ₹125.75 and a pen costs ₹18.25, what is the total cost?

Explanation:

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Question (18)

Which of the following is arranged in ascending order?

Explanation:

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Question (19)

A rod of length 7.2 m is cut into two pieces. One piece is 3.85 m long. The length of the other piece is:

Explanation:

Link:

Question (20)

Using the digits 2, 4, 5, and 8 exactly once, which decimal number is closest to 25?

Explanation:

Link:

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