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A train 240 m long passes a 260 m long platform in 25 seconds. What is the speed of the train in km/h?

A60 km/h

B72 km/h

C80 km/h

D90 km/h

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Find the perimeter of a sector of a circle with radius 14 cm and central angle 90°. (Use pi = 22/7)

A22 cm

B36 cm

C50 cm

D64 cm

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Find the value of x if 3^(x + 3) – 3^x = 234.

A1

B2

C3

D4

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Find the mode of the following data: 5, 8, 12, 8, 15, 8, 12, 10.

A8

B10

C12

D15

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A man can row 6 km/h in still water. If the river flows at 2 km/h, it takes him 3 hours to row to a place and back. How far is the place?

A6 km

B8 km

C10 km

D12 km

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What is the total number of prime factors of 2^3 * 3^2 * 5^4?

A3

B7

C9

D24

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If x^2 – 3x + 1 = 0, find the value of x^2 + 1/x^2.

A5

B7

C9

D11

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Simplify: (2/3 of 3/4) / (1/2) + 1/4.

A1.0

B1.25

C1.5

D1.75

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A die is rolled once. What is the probability of getting an even prime number?

A1/6

B1/3

C1/2

D2/3

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Find the diagonal of a square whose area is 128 cm².

A12 cm

B14 cm

C16 cm

D18 cm

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